Quick Reference Guides: The Poetry of Technical Writing
http://www.idratherbewriting.com/2008/07/06/quick-reference-guides-the-poetry-of-technical-writing/

Johnson, Tom H.
I'd Rather Be Writing
2008

Abstract:

How many times have you written a 75+ page guide and heard the customer say, This is great, but can you give us a condensed version? After the third or fourth time I’d heard this, I decided to actually try it.