@inproceedings{VLDB-1981-WhangWS,
	author        = "Kyu-Young Whang and Gio Wiederhold and Daniel Sagalowicz",
	booktitle     = "{Proceedings of the Seventh International Conference on Very Large Data Bases}",
	cdrom         = "VLDB81/P320.PDF",
	pages         = "320--332",
	publisher     = "{IEEE Computer Society}",
	title         = "{Separability — An Approach to Physical Data Base Design}",
	year          = 1981,
}