@inproceedings{ICSE-1976-Gries,
	acmid         = "807675",
	author        = "David Gries",
	booktitle     = "{Proceedings of the Second International Conference on Software Engineering}",
	editor        = "Raymond T. Yeh and C. V. Ramamoorthy",
	pages         = "200",
	publisher     = "{IEEE Computer Society}",
	title         = "{An Illustration of Current Ideas on the Derivation of Correctness Proofs and Correct Programs}",
	year          = 1976,
}