AMOP
AMOP is an acronym used in reference to the lisp book, The Art of the Metaobject Protocol, by Gregor Kiczales, and which was published by MIT Press, 1991.

AMOP chapters 5 and 6 -- respectively, MOP Concepts and MOP Generic Functions and Methods Dictionary -- are available here, online, courtesy of the ALU

Scanned version on Google books.

Also see: MOP, CLOS