J. W. de Bakker A. J. Nijman Philip C. Treleaven PARLE, Parallel Architectures and Languages Europe, Volume II: Parallel Languages, Eindhoven, The Netherlands, June 15-19, 1987, Proceedings PARLE Lecture Notes in Computer Science 259 Springer 1987 3-540-17945-3 db/conf/parle/parle87-2.html