@inproceedings{SIGMOD-1982-DayalG,
	author        = "Umeshwar Dayal and Nathan Goodman",
	booktitle     = "{Proceedings of the 12th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD82/P138.PDF",
	doi           = "10.1145/582353.582380",
	pages         = "138--150",
	publisher     = "{ACM Press}",
	title         = "{Query Optimization for CODASYL Database Systems}",
	year          = 1982,
}