@inproceedings{CIKM-1994-LiuR,
	author        = "Hong-Cheu Liu and Kotagiri Ramamohanarao",
	booktitle     = "{Proceedings of the Third International Conference on Information and Knowledge Management}",
	cdrom         = "CIKM1994/P234.pdf",
	doi           = "10.1145/191246.191287",
	pages         = "234--243",
	publisher     = "{ACM}",
	title         = "{Algebraic Equivalences Among Nested Relational Expressions}",
	year          = 1994,
}