🚀 go-pugleaf

I'm looking for a concise and readable tutorial on ASN.1 that I may share with
colleagues who are not familiar with ASN.1 or OSI.  We are considering the use of
ASN.1 independently of OSI, so the less the tutorial relies upon OSI constructs
and terminology the better.  If someone has written something, have it on-line,
and are willing to share it, that would be optimal.  I am familiar with Marshall
Rose's "The Open Book", I am aware of a book by Steedman, but haven't seen it
yet, and have read Tannanbaum's section on ASN.1.  Nothing I've seen so far is
quite what I'm looking for.  The audiance is smart and computer literate, but
only some are from the computer industry.

Any help would be greatly appreciated.

/David Carver