@inproceedings{POPL-1988-LucassenG,
	author        = "John M. Lucassen and David K. Gifford",
	booktitle     = "{Conference Record of the 15th Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/73560.73564",
	editor        = "Jeanne Ferrante and P. Mager",
	isbn          = "0-89791-252-7",
	pages         = "47--57",
	publisher     = "{ACM Press}",
	title         = "{Polymorphic Effect Systems}",
	year          = 1988,
}