@inproceedings{OOPSLA-1989-BosL,
	author        = "Jan van den Bos and Chris Laffra",
	booktitle     = "{Proceedings of the Fourth Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/74877.74888",
	editor        = "George Bosworth",
	isbn          = "0-89791-333-7",
	pages         = "95--102",
	publisher     = "{ACM}",
	title         = "{PROCOL — A Parallel Object Language with Protocols}",
	year          = 1989,
}