@inproceedings{SIGMOD-1987-BanerjeeKKK,
	author        = "Jay Banerjee and Won Kim and Hyoung-Joo Kim and Henry F. Korth",
	booktitle     = "{Proceedings of the 17th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD87/P311.PDF",
	doi           = "10.1145/38713.38748",
	pages         = "311--322",
	title         = "{Semantics and Implementation of Schema Evolution in Object-Oriented Databases}",
	year          = 1987,
}