@inproceedings{SIGMOD-1986-KatzCB,
	author        = "Randy H. Katz and Ellis E. Chang and Rajiv Bhateja",
	booktitle     = "{Proceedings of the 16th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD86/P379.PDF",
	doi           = "10.1145/16894.16891",
	pages         = "379--386",
	title         = "{Version Modeling Concepts for Computer-Aided Design Databases}",
	year          = 1986,
}