@inproceedings{VLDB-1976-Bekke,
	author        = "J. H. ter Bekke",
	booktitle     = "{Proceedings of the Second International Conference on Very Large Data Bases}",
	cdrom         = "VLDB76/P159.PDF",
	isbn          = "0-7204-0546-7",
	pages         = "159--168",
	publisher     = "{North Holland & IFIP}",
	title         = "{A Data Manipulation Language for Relational Data Structures}",
	year          = 1976,
}