@inproceedings{VLDB-1980-Walker80a,
	author        = "W. A. Walker",
	booktitle     = "{Proceedings of the Sixth International Conference on Very Large Data Bases}",
	cdrom         = "VLDB80/P235.PDF",
	pages         = "235",
	publisher     = "{IEEE Computer Society}",
	title         = "{Data Planning}",
	year          = 1980,
}