@inproceedings{ISLP-1991-BeierleMS,
	author        = "Christoph Beierle and Gregor Meyer and Heiner Semle",
	booktitle     = "{Proceedings of the Eighth International Symposium on Logic Programming}",
	isbn          = "0-262-69147-7",
	pages         = "272--286",
	publisher     = "{MIT Press}",
	title         = "{Extending the Warren Abstract Machine to Polymorphic Order-Sorted Resolution}",
	year          = 1991,
}