@inproceedings{VLDB-1981-Chase,
	author        = "Karen Chase",
	booktitle     = "{Proceedings of the Seventh International Conference on Very Large Data Bases}",
	cdrom         = "VLDB81/P095.PDF",
	pages         = "95--100",
	publisher     = "{IEEE Computer Society}",
	title         = "{Join Graphs and Acyclic Database Schemes}",
	year          = 1981,
}