@inproceedings{POPL-1984-Sherman,
	author        = "Mark Sherman",
	booktitle     = "{Conference Record of the 11th Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/800017.800532",
	editor        = "Ken Kennedy and Mary S. Van Deusen and Larry Landweber",
	isbn          = "0-89791-125-3",
	pages         = "208--217",
	publisher     = "{ACM Press}",
	title         = "{Paragon: Novel Uses of Type Hierarchies for Data Abstraction}",
	year          = 1984,
}