@inproceedings{PLDI-1990-BallanceMO,
	author        = "Robert A. Ballance and Arthur B. Maccabe and Karl J. Ottenstein",
	booktitle     = "{Proceedings of the 11th Conference on Programming Language Design and Implementation}",
	doi           = "10.1145/93542.93578",
	editor        = "Bernard N. Fischer",
	isbn          = "0-89791-364-7",
	pages         = "257--271",
	publisher     = "{ACM}",
	title         = "{The Program Dependence Web: A Representation Supporting Control, Data, and Demand-Driven Interpretation of Imperative Languages}",
	year          = 1990,
}