@inproceedings{VLDB-1993-TalensOC,
	author        = "Guilaine Talens and Chabane Oussalah and M. F. Colinas",
	booktitle     = "{Proceedings of the 19th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1993/P062.PDF",
	isbn          = "1-55860-152-X",
	pages         = "62--72",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Versions of Simple and Composite Objects}",
	year          = 1993,
}