@inproceedings{POPL-1979-CasanovaB,
	author        = "Marco A. Casanova and Philip A. Bernstein",
	booktitle     = "{Conference Record of the Sixth Annual Symposium on Principles of Programming Languages}",
	cdrom         = "['POPL/00001701.PDF', 'POPLs1/POPL1979/P101.PDF']",
	doi           = "10.1145/567752.567762",
	editor        = "Alfred V. Aho and Stephen N. Zilles and Barry K. Rosen",
	pages         = "101--109",
	publisher     = "{ACM Press}",
	title         = "{The Logic of a Relational Data Manipulation Language}",
	year          = 1979,
}