@inproceedings{VLDB-1975-HofferS,
	author        = "Jeffrey A. Hoffer and Dennis G. Severance",
	booktitle     = "{Proceedings of the First International Conference on Very Large Data Bases}",
	cdrom         = "VLDB75/P069.PDF",
	doi           = "10.1145/1282480.1282486",
	pages         = "69--86",
	publisher     = "{ACM}",
	title         = "{The Use of Cluster Analysis in Physical Data Base Design}",
	year          = 1975,
}