@inproceedings{LISP-1980-GoldsteinB,
	author        = "Ira P. Goldstein and Daniel G. Bobrow",
	booktitle     = "{Proceedings of the 1980 LISP Conference}",
	pages         = "75--81",
	title         = "{Extenting Object Oriented Programming in Smalltalk}",
	year          = 1980,
}