@inproceedings {4800,
	title = {Managing Schema Evolution Using a Temporal Object Model},
	booktitle = {International Conference on Conceptual Modeling (ER)},
	year = {1997},
	doi = {10.1007/3-540-63699-4_7},
	author = {Iqbal A. Goralwalla and Duane Szafron and Tamer Ozsu and Randal J. Peters}
}
