@inproceedings{VLDB-1978-Bardley,
	author        = "J. Bradley",
	booktitle     = "{Proceedings of the Fourth International Conference on Very Large Data Bases}",
	cdrom         = "VLDB78/P164.PDF",
	pages         = "164--176",
	publisher     = "{IEEE Computer Society}",
	title         = "{Operations Data Bases}",
	year          = 1978,
}