@inproceedings{LFP-1990-TannenGS,
	author        = "Val Tannen and Carl A. Gunter and Andre Scedrov",
	booktitle     = "{Proceedings of the 1990 ACM Conference on LISP and Functional Programming}",
	doi           = "10.1145/91556.91590",
	isbn          = "0-89791-368-X",
	pages         = "44--60",
	publisher     = "{ACM Press}",
	title         = "{Computing with Coercions}",
	year          = 1990,
}