@inproceedings{OOPSLA-1992-OssherH,
	author        = "Harold Ossher and William H. Harrison",
	booktitle     = "{Proceedings of the Seventh Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/141936.141940",
	editor        = "John R. Pugh",
	isbn          = "0-201-53372-3",
	pages         = "25--40",
	publisher     = "{ACM}",
	title         = "{Combination of Inheritance Hierarchies}",
	year          = 1992,
}