@inproceedings{POPL-1986-Mitchell,
	author        = "John C. Mitchell",
	booktitle     = "{Conference Record of the 13th Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/512644.512669",
	pages         = "263--276",
	publisher     = "{ACM Press}",
	title         = "{Representation Independence and Data Abstraction}",
	year          = 1986,
}