@article { ,
	title = {Multiversion Object Constellations: A New Approach to Support a Designer""s Database Work},
	journal = {Engineering with Computers, Volume 10},
	year = {1994},
	month = {01/1994},
	pages = {230-244},
	type = {article},
	author = {Wojciech Cellary and Vossen, G. and Jomier, G.}
}
