@inproceedings{SIGMOD-1979-RoweS,
	author        = "Lawrence A. Rowe and Kurt A. Shoens",
	booktitle     = "{Proceedings of the Ninth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD79/P071.PDF",
	doi           = "10.1145/582095.582107",
	isbn          = "0-89791-001-X",
	pages         = "71--81",
	publisher     = "{ACM}",
	title         = "{Data Abstractions, Views and Updates in RIGEL}",
	year          = 1979,
}