@inproceedings{LICS-1992-Pratt,
	author        = "Vaughan R. Pratt",
	booktitle     = "{Proceedings of the Seventh Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1992.185537",
	isbn          = "0-8186-2735-2",
	pages         = "248--254",
	publisher     = "{IEEE Computer Society}",
	title         = "{Origins of the Calculus of Binary Relations}",
	year          = 1992,
}