@inproceedings{ICSE-1989-HumphreyK,
	author        = "Watts S. Humphrey and Marc I. Kellner",
	booktitle     = "{Proceedings of the 11th International Conference on Software Engineering}",
	doi           = "10.1145/74587.74631",
	editor        = "Larry E. Druffel and Dick Fairley and Dines Bjørner",
	isbn          = "0-8186-1941-4",
	pages         = "331--342",
	publisher     = "{IEEE Computer Society / ACM Press}",
	title         = "{Software Process Modeling: Principles of Entity Process Models}",
	year          = 1989,
}