ABCL/1
An object-Based Concurrent Language 1
Akinori Yonezawa, University Tokyo 1986
A concurrent object-oriented language. A language for the ABCL concurrent (MIMD) system. It features asynchronous message passing to objects.
ABCL: An Object-Oriented Concurrent System, Akinori Yonezawa ed, MIT Press, 1990.