@inproceedings{VLDB-1975-Karsner,
	author        = "G. R. Karsner",
	booktitle     = "{Proceedings of the First International Conference on Very Large Data Bases}",
	cdrom         = "VLDB75/P376.PDF",
	doi           = "10.1145/1282480.1282509",
	pages         = "376--404",
	publisher     = "{ACM}",
	title         = "{Database Experience in the Netherlands PTT (ITCIS)}",
	year          = 1975,
}