@inproceedings{POPL-1981-Chandra,
	author        = "Ashok K. Chandra",
	booktitle     = "{Conference Record of the Eighth Annual Symposium on Principles of Programming Languages}",
	cdrom         = "POPLs1/POPL1981/P050.PDF",
	doi           = "10.1145/567532.567537",
	editor        = "John White and Richard J. Lipton and Patricia C. Goldberg",
	isbn          = "0-89791-029-X",
	pages         = "50--62",
	publisher     = "{ACM Press}",
	title         = "{Programming Primitives for Database Languages}",
	year          = 1981,
}