@inproceedings{LISP-1980-SteeleS,
	author        = "Guy L. Steele Jr. and Gerald J. Sussman",
	booktitle     = "{Proceedings of the 1980 LISP Conference}",
	pages         = "163--172",
	title         = "{The Dream of Lifetime: A Lazy Variable Extent Mechanism}",
	year          = 1980,
}