@inproceedings{VLDB-1981-Sakai,
	author        = "Hirotaka Sakai",
	booktitle     = "{Proceedings of the Seventh International Conference on Very Large Data Bases}",
	cdrom         = "VLDB81/P225.PDF",
	pages         = "225--234",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Method for Defining Information Structures and Transactions in Conceptual Schema Design}",
	year          = 1981,
}