@inproceedings{PODS-1983-GoodmanST83a,
	author        = "Nathan Goodman and Oded Shmueli and Y. C. Tay",
	booktitle     = "{Proceedings of the Second Symposium on Principles of Database Systems}",
	cdrom         = "['journals/anthology/cd1-3:PODS83/P267.PDF', 'journals/anthology/dvd1:text/1-3/PODS83/P267.PDF']",
	doi           = "10.1145/588058.588089",
	isbn          = "0-89791-097-4",
	pages         = "267--278",
	publisher     = "{ACM}",
	title         = "{GYO Reductions, Canonical Connections, Tree and Cyclic Schemas and Tree Projections}",
	year          = 1983,
}