@inproceedings{OOPSLA-1989-CanningCHO,
	author        = "Peter S. Canning and William R. Cook and Walter L. Hill and Walter G. Olthoff",
	booktitle     = "{Proceedings of the Fourth Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/74877.74924",
	editor        = "George Bosworth",
	isbn          = "0-89791-333-7",
	pages         = "457--467",
	publisher     = "{ACM}",
	title         = "{Interfaces for Strongly-Typed Object-Oriented Programming}",
	year          = 1989,
}