ABCL/1 is an Object-Based Concurrent Language.
The language for the ABCL MIMD system, written by Akinori Yonezawa
["ABCL: An Object-Oriented Concurrent System", A. Yonezawa ed, MIT Press 1990]. (1990-05-23).
See also:
This article (or an earlier version of it) contains material from FOLDOC, used with permission.