@inproceedings{POPL-1986-MacQueen,
	author        = "David B. MacQueen",
	booktitle     = "{Conference Record of the 13th Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/512644.512670",
	pages         = "277--286",
	publisher     = "{ACM Press}",
	title         = "{Using Dependent Types to Express Modular Structure}",
	year          = 1986,
}