@inproceedings{SIGMOD-1976-Kahn,
	author        = "Beverly K. Kahn",
	booktitle     = "{Proceedings of the Sixth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD76/P053.PDF",
	doi           = "10.1145/509383.509395",
	pages         = "53--64",
	publisher     = "{ACM}",
	title         = "{A Method for Describing Information Required by the Database Design Process}",
	year          = 1976,
}