@inproceedings{ICSE-1981-CheathamHT,
	acmid         = "802556",
	author        = "Thomas E. Cheatham Jr. and Glenn H. Holloway and Judy A. Townley",
	booktitle     = "{Proceedings of the Fifth International Conference on Software Engineering}",
	editor        = "Seymour Jeffrey and Leon G. Stucki",
	isbn          = "0-89791-146-6",
	pages         = "430--438",
	publisher     = "{IEEE Computer Society}",
	title         = "{Program Refinement by Transsformation}",
	year          = 1981,
}