Kahn, K.M., Tribble, D., Miller, M.S., and Bobrow, D.G. 1987. "Vulcan: Logical Concurrent Objects"

Concurrent Prolog: Collected Papers, E.Y. (1987) Concurrent Prolog: Collected Papers, E.Y. Shapiro (ed.), MIT Press, Cambridge, MA   D.G. Bobrow

Languages mentioned VULCAN {1987} OO Preprocessor for FCP