@inproceedings{OOPSLA-ECOOP-1990-MadsenMM,
	author        = "Ole Lehrmann Madsen and Boris Magnusson and Birger Møller-Pedersen",
	booktitle     = "{Proceedings of the Fifth Conference on Object-Oriented Programming, Systems, Languages and Applications / Fourth European Conference on Object-Oriented Programming}",
	doi           = "10.1145/97945.97964",
	editor        = "Akinori Yonezawa",
	isbn          = "0-89791-411-2",
	pages         = "140--150",
	publisher     = "{ACM}",
	title         = "{Strong Typing of Object-Oriented Languages Revisited}",
	year          = 1990,
}