@book{72047,
	author = {IMACS/IFORS International Colloquium on Managerial Decision Support Systems and Knowledge Based Systems (1st : 1987 : Manchester, U. K.) and Singh, Madan G. and International Association for Mathematics and Computers in Simulation},
	title = {Managerial decision support systems :},
	publisher = {North-Holland,},
	year = {1988},
	address = {Amsterdam :}
}