@inproceedings{DIPL-1976-Nestor,
	author        = "John R. Nestor",
	booktitle     = "{Proceeding of the DoD Sponsored Workshop on Design and Implementation of Programming Languages}",
	doi           = "10.1007/BFb0021422",
	isbn          = "3-540-08360-X",
	pages         = "131--170",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Models of data objects and data types}",
	volume        = 54,
	year          = 1976,
}