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      	          Fourth International Workshop on 
		  Petri Nets and Performance Models
			     PNPM91


		   Tutorial Day: 2 December 1991 
		   Conference: 3-5 December 1991
		   Tool Exhibition: 2-5 December 1991

			      Held at

                Telecom Australia Research Laboratories
			 Melbourne, Australia 


			 ADVANCE PROGRAMME




Sponsor: Telecom Australia

In Co-operation with

ACM Sigmetrics
IEEE Computer Society
IEEE Victorian Section

Advisory Committee
------------------

M. Ajmone Marsan, Italy			M. Molloy, USA (Chairman)
J. Billington, Australia		T. Murata, USA
G. Florin, France			K. Onaga, Japan

Background
----------

The inaugural workshop was held in Torino, Italy, in July 1985, and
since then has become a biennial event, with the second and third
workshops held in Madison, USA, in 1987, and Kyoto, Japan, in 1989.
The workshop provides a forum for the presentation of original
contributions in the area of Petri net based models and tools for
performance evaluation and systems design. A one day tutorial, and tool
exhibition have now become part of the workshop. Typically, about a 100
people participate, coming from industry, research institutions and
universities.


			PNPM91 Committees

General Chairman: Fred Symons (Monash University, Melbourne)
International Committee Chairman: Tharam Dillon (LaTrobe University, Melbourne)
Programme Co-Chairmen:  Jonathan Billington (TRL, Melbourne)
			Bill Henderson (Adelaide University)
Tutorial Chairman: Jonathan Billington (Telecom Research, Melbourne)

International Committee
-----------------------

G. Balbo (Italy)			S. Natkin (France)
H. Beilner (Germany)			L. Ojala (Finland)
K. Jensen (Denmark)			K. Onaga (Japan)
M. Kim (Korea)				M. Silva (Spain)
W. Lu (China)				D. Simpson (UK)
J.F. Meyer (USA)			K. Trivedi (USA)


Programme Committee
-------------------

M. Ajmone Marsan			M.K. Molloy
G. Chiola				M. Murata
G. Ciardo				T. Murata
J.M. Colom				S. Nishio
J. Dugan				W.H. Sanders
G. Florin				H. Takagi
P. Haas					P. Taylor
S. Haddad				M. Vernon
G. Juanole				W.M. Zuberek
J. Magott

Organising Committee
--------------------

Jim Park (Telecom Research, Melbourne), Chairman
Phil Sweeney (Telecom Research, Melbourne), Finance Chair
Kumble Balasubramanya (IEEE Vic)
Jonathan Billington (Telecom Research, Melbourne)
Sandra Collins (Telecom Research, Melbourne)
Brian Donovan (Telecom Research, Melbourne)
Denise Foster (Telecom Research, Melbourne)
John Gilmour (Telecom Research, Melbourne), Tools
John Hollow (Telecom Research, Melbourne), Tools
Cathie Seidl (Telecom Research, Melbourne)



General Information
-------------------

Conference Site
---------------

The Tutorial, Workshop and Tools Exhibition will be held at:

Telecom Australia Research Laboratories
770 Blackburn Road
Clayton North, Victoria, 3168
Australia

Email:  pnpm91@trl.oz.au 
Telefax:   +61 3 253 6144 
Telephone: +61 3 253 6401

Letters, telefaxes and email messages should be clearly marked with
the name of the intended recipient. This is particularly important
for email as a single account will be used. It will also be possible
to send email messages from the conference site.

The Tutorial and Workshop will take place in the Auditorium of
Building M8, and the tools exhibition in the M8 Foyer. There is
a cafeteria in this building which is open from 8.00 to 15.00.

Clayton is a dormitory suburb of Melbourne. It has a lot of light
industry and some major educational facilities such as Monash
University and the Rusden Campus of the Victoria College. It is located
20km (12 miles), to the south east of the city centre. Melbourne is
Australia's second largest city, with a population of over 3 million
people from a great diversity of European and Asian backgrounds. It was
established at the mouth of the Yarra River, near the shores of Port
Phillip Bay, in 1834. Melbourne is known as the `Garden City' of
Australia, because of its parks and gardens. There are also many
different cultural activities (concerts, theatre, film, art), and a
great variety of restaurants and entertainment facilities.

Climate and Weather
-------------------

Australia spans two major climatic zones. In the north, a third of the
continent is in the tropics. The remaining two thirds are in the
temperate zone. Melbourne is the southern-most mainland capital, at a
latitude of 38 degrees south. Melbourne's weather is very variable and
not easily predicted. The average daily maximum temperature in
Melbourne in December is 24C. The variation in temperatures is
considerable, ranging from 18C to 38C plus. It is possible for the
temperature to be 38C one day and 20C the next. Hail and heavy rain are
also possible, but infrequent.


Time Zone
----------

There are 3 time zones in Australia. Melbourne and all the eastern part
of the continent are on eastern summer time in December (GMT+11 hours).

Domestic Air Travel
-------------------

Due to deregulation of the airlines in Australia, it is possible to get
rather cheap flights to other Australian capital cities (and Cairns).
Currently (till 31 October 91) Compass Airlines are offering the following
return airfares from Melbourne: Cairns $464, Perth $320, Brisbane $300, Sydney
$190, Adelaide $140. All $ are Australian Dollars (AUD).


Registration
------------

Registration of participants should be made on the enclosed registration
form and sent with payment by 1 November 1991, to

PNPM91
Att: Mr. Phillip Sweeney
Telecom Australia Research Laboratories
770 Blackburn Road
Clayton North, Victoria, 3168
Australia

Email: p.sweeney@trl.oz.au or pnpm91@trl.oz.au 
Telefax: +61 3 541 6144 or +61 3 253 6144 
Telephone: +61 3 541 6401 or +61 3 253 6401

(Our telephone and telefax numbers are expected to change in October.
The first number (541 prefix) will be operative till the change.)


Registration Fees
------------------

Registration costs in Australian dollars (AUD) for PNPM91 are:


                                   	  Full         Student
Workshop  (before 1 Nov 91)     	 350.00        50.00
Late Workshop                            400.00        60.00

Tutorial  (before 1 Nov 91)     	 100.00        30.00
Late Tutorial                            125.00        40.00

Workshop and Tutorial (before 1 Nov 91)  400.00        70.00
Late Workshop and Tutorial               500.00        90.00

The above table indicates the surcharge payable for late registration,
(i.e. payment received after 1 November 1991), and discount for
combined tutorial and workshop registration. Proof of student status
must accompany any student registrations.

The workshop registration includes the banquet, a copy of the workshop
proceedings, lunches and refreshments during breaks. Student
registration does not include a copy of the proceedings, nor the
banquet. Extra copies of the workshop proceedings and extra banquet
tickets can be purchased at the following prices.

Banquet Ticket: 45 AUD each
Proceedings:    25 AUD each

After the workshop, the PNPM91 Proceedings will be available from 
the IEEE Computer Society Press, 1730 Massachusetts Avenue, NW,
Washington DC, 20036-1903, USA.


Payment of Fees
----------------

Payment must be made in Australian Dollars by cheque or bankdraft
payable to `PNPM91 - Telecom Australia' and should accompany the
registration form. Payment can also be made using the following credit
cards: VISA, MASTERCARD, and the Australian banks' BANKCARD. Cheques
not in Australian dollars will not be accepted.


Cancellation and Refund
------------------------

Payment of the registration fees for both the workshop and tutorial
will be refunded in full if written notification is received before
8 November 1991. After 8 November 1991, no refund will be given.

Exchange Rates

Approximately: 1AUD = .78USD = 1.3DM = 107Yen = .46GBP

Note that currency fluctuations occur daily.

Accommodation
-------------

Accommodation will be the responsibility of participants. The following
is a list of hotels at various locations.  The city hotels have been
chosen on the basis of value for money, and with the rates obtained are
at the low end of the market. If you wish to stay in a 5 star hotel
(250-300 AUD per night) then details of these can be obtained from Mr.
Phil Sweeney. The tariffs detailed below are for room only unless
otherwise stated.

Choosing a hotel in the city will give you easy access to the wide
range of activities the city offers. It will however mean travelling
the 20 km to and from the conference site each day. The hotels in
Clayton/Mt Waverley are within 20 minutes walking distance of the
conference site, or 5 minutes by taxi. Being a light industrial and
dormitory suburb, Clayton has very little to offer in the evenings.

Hotels in the City
--------------------

The tariffs quoted for these hotels are a special rate for the
conference. Participants are advised to book before the end of October
for these rates to apply. When booking, the conference name PNPM91
should be quoted.


The Sheraton Hotel, Melbourne 
13 Spring Street,
Melbourne, 3000
Vic., AUSTRALIA
Tel: + 61 3 650 5000 (in Australia, 008 331 116 toll free)
Fax: + 61 3 650 9622
Tariff: AUD 123 single, 140 Twin or Double (special rates for families)
Comments: This is a 4 star hotel, near the Victorian Parliament,
overlooking the Treasury Gardens. If you would like a room overlooking
the gardens, ask for a Balcony room.  Complimentary car parking and a
restaurant, the `Spring Cafe', are available 7 days a week. You should
ask for your room to be held if checking in after 18.00.


Chateau Melbourne Hotel
131 Lonsdale Street
Melbourne 3000
Vic., AUSTRALIA
Tel: +61 3 663 3161
Fax: +61 3 662 3479
Tariff: AUD 80 single, double or twin
Comments: This is a very good 3 star hotel with many amenities, including
heated swimming pool, sauna, spa, restaurant and car parking. It is close
to many different restaurants.


Hotels near Conference Site
---------------------------

Bruce County Motor Inn
445 Blackburn Road
Mount Waverley 3149
Vic., AUSTRALIA
Tel: +61 3 803 5411
Fax: +61 3 887 9284
Tariff: AUD 119 single, 119 Double, 139 Twin.
Comments: This is the nearest hotel to TRL. It is a 4 star hotel,
with an excellent restaurant and access to a shopping centre.


Clayton - Monash Motor Inn
1790 Dandenong Road
Clayton, 3168
Vic., AUSTRALIA
Tel: +61 3 544 0911
Fax: +61 3 543 3638
Tariff: AUD 65 single, 69 double, 72 twin
Comments: Basic but comfortable. 5 minutes by taxi to TRL. No restaurant.
Tariff includes a light breakfast.


Cheap Accommodation
-------------------

Accommodation will be available in the Monash University Halls of
Residence. Monash University is just over the other side of Blackburn
Road from the conference site. The Halls offer basic student
accommodation. In December, the University is in summer recess and there
will be only a few students on campus.


Monash University Halls of Residence
near corner Blackburn and Normanby Road
Clayton North, 3168
Vic., AUSTRALIA
Telephone +61 3 544 8133
Facsimile +61 3 565 4007 
Tariff: Only Single Rooms available: AUD 36.60 includes breakfast


Arrival Procedures
------------------

The registration desk will be located in the M8 Foyer. All participants
will require security passes to access building M8 of TRL.

For those attending the Tutorial, registration will be from 8.30 to
9.00 on Monday 2 December 1991.

For those attending the Workshop, registration will be from 8.30 - 9.00,
and then from 18.00 - 21.00 on Monday 2 December and from 8.00 - 9.00
on Tuesday 3 December 1991. 

Workshop Office
---------------

The registration desk will operate as the Workshop Office and will be
open during Tutorial and Workshop hours. The telephone number of the
desk will be +61 3 253 6707.

Welcome Reception
-----------------

The conference sponsors will organise an informal welcoming event in
M8 on the evening of Monday 2 December 1991, from 18.00 to 20.00.
Accompanying persons will be very welcome at this reception.

Transport
----------

Overseas participants should take a direct flight to Melbourne
International airport. The airport is about 20 km north west of the
city centre. The easiest way to the city is by taxi at a cost of about
20 AUD and taking less than 30 minutes. There are also airport buses
that run regularly between the city centre and the airport. Most
domestic flights to Melbourne will also arrive at the International
airport.

For participants wishing to come directly to the conference site (TRL)
or nearby hotels, the easiest means of transport is again by taxi. This
will cost about 40AUD and take between 50 and 90 minutes depending on
traffic.

For those staying in the city, reaching TRL by public transport is a
challenge. The easiest way is to take a taxi at a cost of less than
25AUD. The journey will take about 30 to 40 minutes. For those who like
some adventure, the alternative is to take the Met. The Met allows you
to buy zonal and multiple zonal tickets that are valid on any Met
transport. This includes trams, buses and trains. From your hotel you
will probably need to take a tram to the nearest railway station. From
there, you will need to take a train to Clayton station on the
Dandenong Line, or to Syndal on the Glen Waverley line. From Clayton
station you can catch a 703 Ventura bus north bound, via Monash
University to Blackburn Road. The bus turns left into Blackburn Road
from Wellington Road. The first bus stop in Blackburn Road is directly
opposite TRL. From Syndal station, you need to walk back towards the
city along Coleman Parade to get to Blackburn Road. Cross over Coleman
Pde to the south and you will very soon find the bus stop. (Dont be
tempted to cross over Blackburn Road to the bus stop by the bridge -
that will take you in the opposite direction!) Catch the Ventura 703 or
Quinces 631 south bound along Blackburn Road to the last stop before
Wellington Road. This stop is directly outside TRL. You should allow
about an hour and a half for such a journey.

For those staying at the local hotels, a taxi is recommended (cost
should be less than 5 AUD) although walking is certainly possible. For
those at the Monash Halls of Residence, walking is recommended.


Banquet
--------

The banquet will be held at the Cuckoo restaurant in the Dandenong
Ranges about 45 minutes drive to the east of Melbourne. Buses will
depart from the conference site at 18.00 on Wednesday 4 December 1991
and will return to the Clayton and city hotels around 12 midnight. On
our way to the restaurant we plan to stop at Mt Dandenong for a
panoramic view over the Yarra Valley to Melbourne and Port Philip Bay.

Any special meal requirements should be indicated on the registration
form. Extra banquet tickets will be available for 45AUD.


Excursion
----------

We plan an excursion to Healesville Sanctuary on Friday 6 December at a
cost of 50 AUD. The sanctuary houses over 200 species of native
Australian birds, reptiles and mammals, including kangaroos, emus,
koalas, wombats, the platypus and lyrebird and much much more. There is
also a nocturnal enclosure which will allow you to see many of our more
exotic creatures that only venture out in the night. It is considered
to be one of the top places in Australia to observe our unique animals
at close hand.

Buses would pick-up passengers from city hotels around 9.30 and the
Clayton hotels around 10.15. We would then depart for Healesville,
about 1 hours drive. Lunch would be at Badger's creek reserve, where
a BBQ would be provided. The afternoon would be spent at the Sanctuary
and you would be delivered to your hotel around 17.00.

If you would like to go on this excursion, please book on the
registration form. The viability of the excursion will depend on
numbers, and money will be returned to participants who pay in advance
if the excursion is cancelled.


Tools Exhibition
----------------

Computer aided tools for the creation, manipulation and analysis of
Petri net based models will be demonstrated during the workshop
including the tutorial day. There will also be a special tools session
on Tuesday, starting at 17.15 in the M8 auditorium, to allow tool
demonstrators to present their exhibits to a larger audience.



		Tutorial Programme: Monday 2 December 1991
		------------------------------------------

8.30 - 9.00	 Registration
		 
9.00 - 10.30	 Introduction to Petri nets 
		 G. Rozenberg (Leiden, Netherlands) 
		 
10.30 - 11.00 	 Break 
		 
11.00 - 12.30 	 High-Level Nets: Part I
		 K. Jensen (Aarhus, Denmark)
		 
12.30 - 13.30	 Lunch 
		 
13.30 - 14.30 	 High-Level Nets: Part II  
		 K. Jensen (Aarhus, Denmark)
		 
14.30 - 14.45	 Break
		 
14.45 - 15.45	 Stochastic Petri Nets: Part I  
		 M. Ajmone Marsan (Torino, Italy)
		 
15.45 - 16.00	 Break
		 
16.00 - 17.00	 Stochastic Petri Nets: Part II 
		 M. Ajmone Marsan (Torino, Italy)
		 
		 
18.00 - 20.00 	 Welcome Reception (M8 Functions Rm)



		Workshop Programme: Tuesday 3 December 91
		-----------------------------------------

8.00 - 9.00	Registration
9.00 - 9.30	Opening Session
		Chairperson: F.J.W. Symons (General Chairman PNPM91)

9.30 - 10.30	Keynote Address
		On the Construction of Abstract GSPNS: An Exercise in Modeling
		M. Ajmone Marsan (Politecnico di Torino, Italy)

10.30 - 11.00	Break

11.00 - 12.30 	Session 1:  Extensions  to SPNs
		Chairperson: M. Ajmone Marsan

		GSPNs versus SPNs: what is the actual role of immediate 
		transitions? 
		G. Chiola, S. Donatelli and G. Franceschinis (Universita di 	
		Torino, Italy)

		Dealing with arbitrary time distributions with the Stochastic 
		Timed Petri Net model - Application to queuing systems
		G. Juanole and Y. Atamna (LAAS-CNRS, Toulouse, France)

		Subnetwork Time Distributions as a Means for Multi Level 
		Evaluation of Generalized Stochastic Petri Nets 
		G. Klas and R. Matuschka (Siemens AG, Germany)

12.30 - 14.00	Lunch

14.00 - 15.30	Session 2: SPNs I: Decomposition/Composition
		Chairperson: G. Chiola (Universita di Torino)

		Superposed Stochastic Automata: a class of Stochastic Petri 
		Nets Amenable to Parallel Solution
		S. Donatelli (Universita di Torino, Italy)

		Performance Petri Net Analysis of Communications Protocol 
		Software by Delay-Equivalent Aggregation 
		C. M. Woodside and Y. Li (Carleton University, Canada)

		A Decomposition Approach for Stochastic Petri Net Models
		G. Ciardo (SPC, USA) and K.S. Trivedi (Duke University, USA)


15.30 - 16.00	Break

16.00 - 17.00	Session 3: Marked Graphs
		Chairperson: M. Silva (Universidad de Zaragoza, Spain)

		Estimating the Mean Cycle Time for Stochastic Safe Marked 
		Graphs
		J. Maggot and K. Skudlarski (Technical University of Wroclaw, 
		Poland)

		Stochastic Marked Graphs
		S. Rajsbaum (UNAM, Mexico)

17.00 - 17.15	Break

17.15 - 19.00	Tools Session
		Chairperson: 


		 Workshop Programme - Wednesday 4 December 1991
		------------------------------------------------

9.00 - 10.30	Session 4: Applications I
		Chairperson: T. Hasegawa (Kyoto Univ. Japan)

		Modelling Layered Protocols in LOOPN
		C.A. Lakos and C.D. Keen (University of Tasmania, Australia)

		Petri Net Modelling of Occam Programs for Detecting 
		Indeterminacy, Non-termination and Deadlock Anomalies 
		Z. Xu (New York Polytechnic University, U.S.A.) and
		O. Y. de Vel (James Cook University, Australia)

		Performance Model of Interference Avoidance Policy Using
 		Stochastic Petri Nets
		T. Kobayashi and K. Kurihara (Hitachi Ltd., Japan)

10.30 - 11.00	Break

11.00 - 12.30	Session 5: Analysis
		Chairperson: M.K. Molloy (HP, USA)

		A Parallel Algorithm for Computing Invariants of Petri Net 
		Models 
		D. C. Marinescu, M. Beaven and R. Stansifer (Purdue 
		University, USA)

		A Structural Colour Simplification in Well-Formed Coloured 
		Nets
		G. Chiola and G. Franceschinis (Universita di Torino, Italy)

		Simulation of Timed Petri Nets by Ordinary Petri Nets and 
		Applications to Decidability of the Timed Reachability 
		Problem and other related problems 
		V. Valero and F. Cuartero (Universidad Castilla-La Mancha, 
		Spain) and D. De Frutos (Univ Complutense, Spain)

12.30 - 14.00	Lunch

14.00 - 15.30	Session 6: SPN II: Efficient Analysis
		Chairperson: K.S. Trivedi (Duke University, USA)

		Exact Results in the Aggregation and Disaggregation of 
		Stochastic Petri Nets 
		W. Henderson and D. Lucic (University of Adelaide, Australia)

		An Improved Numerical Algorithm for Calculating Steady-State 
		Solutions of Deterministic and Stochastic Petri Net Models
		C. Lindemann (Technische Universitat Berlin, Germany)

		Time Warp Simulation of Stochastic Petri Nets
		H. H. Ammar (West Virginia University, U.S.A.) and S. Deng 
		(Clarkson University, USA)

15.30 - 16.00	Break

16.00 - 17.20	Session 7: Research Briefs
		Chairperson: T. Murata (Univ. Illinois, USA)

		Can Skeletons Really be Used to Detect Deadlocks of Nets?
		G. Findlow (Telecom Research Laboratories, Australia)

		Searching Best Paths to Worst States
		G. Florin, C. Fraize and S. Natkin (Centre d'Etudes et de 
		Recherche en Informatique, France)

		On Periodic Schedules for Deterministically Timed Petri Nets 
		Systems 
		K. Onaga, T. Watanabe (Hiroshima University, Japan)
		and M. Silva (University of Zaragoza, Spain)

		From Basic to Timed Net Models of Occam: an Application to 
		Program Placement
		O. Botti and F. De Cindio (Universita di Milano, Italy)


18.00 - 24.00 	Banquet


		 Workshop Programme - Thursday 5 December 1991
		----------------------------------------------


9.00 - 10.30	Session 8: DEMON
		Chairperson: J. Billington (TRL, Australia)

		Invited Talk (1 hour)

		Overview of the Results of the Esprit Basic Research
		Action DEMON 
		E. Best (Universitat Hildesheim, Germany)

		Free Choice Simulation of Petri Nets 
		H. Linde (Universitat Hildesheim, Germany)

10.30 - 11.00	Break

11.00 - 12.30	Session 9: Applications II
		Chairperson: K. Onaga (Hiroshima University, Japan)

		Systematic Construction of Functional Abstractions of Petri 
		Net Models of Typical Components of Flexible Manufacturing 
		Systems 
		R. Zurawski (Swinburne Inst of Tech, Australia)
		and T.S. Dillon (La Trobe University, Australia)

		Selection of Optimal Control Policies for Automated 
		Storage/Retrieval System Using Petri Net Model and Stochastic 
		Optimization 
		F. Archetti and A. Sciomachen (Universita di Milano, Italy)
		and A. Gaivoronski (V.M. Glushkov Institute of Cybernetics, 
		USSR)

		Reliability modeling of the MARS system: A Case Study in the 
		Use of Different Tools and Techniques
		H. Kantz (TU-Wien, Austria) and
		K.S. Trivedi ( Duke University, U.S.A.)

12.30 - 14.00	Lunch

14.00 - 15.30	Session 10: Applications III 
		Chairperson: S. Natkin (CNAM, France)


		GSPN Models of Concurrent Architectures with Mesh Topology
		S. Caselli and G. Conte (Universita di Parma, Italy)

		Performability modeling with  UltraSAN
		J. Couvillion, R. Freire, R. Johnson, W.D. Obal II, 
		M.A. Qureshi, M. Rai, W.H. Sanders and J.E. Tvedt 
		(University of Arizona, U.S.A.)

		Approximate Performability Analysis using Generalized 
		Stochastic Petri Nets 
		B. R. Haverkort (University of Twente, The Netherlands)

15.30 - 16.00	Break

16.00 - 17.00	Session 11: Throughput Bounds
		Chairperson: W. Henderson (University of Adelaide, Aust.)

		Throughput upper bounds for Markovian Petri Nets: embedded 
		subnets and queueing networks 
		J. Campos and M. Silva (Universidad de Zaragoza, Spain)

		Throughput lower bounds for Markovian Petri Nets:
		transformation techniques 
		J. Campos, B. Sanchez and M. Silva (Universidad de Zaragoza, 
		Spain)

17.00 - 17.30	Closing Session
		Chairperson: F.J.W. Symons (Monash University, Australia)




				REGISTRATION FORM

			    PNPM91, Melbourne Australia


Please complete IN BLOCK LETTERS and return by 14 November to:

Mr. Phillip Sweeney
Telecom Australia Research Laboratories
P.O. Box 249 
Clayton, Vic., 3168 
AUSTRALIA 
Email: p.sweeney@trl.oz.au or pnpm91@trl.oz.au 
Telefax: +61 3 541 6144 or +61 3 253 6144 
Telephone: +61 3 541 6401 or +61 3 253 6401


Name of Registrant

Surname 		 First Name 		Title (Prof/Dr/...)
Affiliation 
Mailing Address 


Postcode 
Telephone 
Telefax 
Email  
Student I.D. Number 


The above information, except for student ID, will appear in the List
of Participants distributed at the workshop. If you do not wish your
email, telephone or telefax numbers to be included, please indicate by
placing the restricted information in brackets.


Name of Accompanying Person: (for welcome reception/banquet)

Surname 		 First Name 		 Title 



Banquet

__ Yes, I shall be attending the banquet.

Please list any special requirements (e.g. vegetarian) below.





Registration Fees

Registration costs in Australian dollars (AUD) are: 

                                Full   	      Student  
Early Workshop      		350.00         50.00 
Late Workshop                   400.00         60.00  

Early Tutorial       		100.00         30.00 
Late Tutorial                   125.00         40.00 

Early Workshop and Tutorial 	400.00         70.00 
Late Workshop and Tutorial      500.00         90.00 

Early registrations are those received before 1 November 1991.



Subtotal for registration  			________AUD
Extra Banquet 	   	     __ @45AUD		________AUD
Extra Proceedings   	     __ @25AUD		________AUD
Excursion	  	     __ @50AUD		________AUD
								    
Total Payable                                   ________AUD



Method of Payment

__ I enclose a bank draft or cheque in Australian Dollars covering
the total amount payable.

__ I am paying the above amount in Australian Dollars by credit card.

Credit Card Details:

Total Amount: ________ AUD
Name of Card: VISA/MASTERCARD/BANKCARD
Card Number: ________________________________
Member's Name: ______________________________
Expiry Date: ________________________________
Member's Signature: _________________________

__ I am a Telecom Employee. My OUC is ____________


Payment must accompany this form. If this is not possible, please
attach a letter explaining the reason.

Signature: 				Date:

--------------------------end---------------------------------------------

  John Gilmour, Telecom Research Labs, P.O. 249 Clayton, Vic., 3168, Australia.
  Phone: +61 3 541 6361
  Internet: j.gilmour@trl.OZ.AU
  x400: g=john s=gilmour ou=trl o=telecom prmd=telecom006 admd=telememo c=au