@inproceedings{DAC-1976-Soong,
	author        = "Norman L. Soong",
	booktitle     = "{Proceedings of the 13th Design Automation Conference}",
	doi           = "10.1145/800146.804835",
	pages         = "354--365",
	publisher     = "{ACM}",
	title         = "{The design of program logic}",
	year          = 1976,
}