@inproceedings{SCC-1984-Levy,
	author        = "Michael R. Levy",
	booktitle     = "{Proceedings of the 1984 SIGPLAN Symposium on Compiler Construction}",
	doi           = "10.1145/502874.502902",
	isbn          = "0-89791-139-3",
	pages         = "285--289",
	publisher     = "{ACM}",
	title         = "{Type checking, separate compilation and reusability}",
	year          = 1984,
}