@inproceedings{SIGMOD-1978-Su,
	author        = "Stanley Y. W. Su",
	booktitle     = "{Proceedings of the Eighth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD78/P157.PDF",
	doi           = "10.1145/509252.509288",
	pages         = "157--158",
	publisher     = "{ACM}",
	title         = "{Database Machines}",
	year          = 1978,
}