@book{14466,
	author = {IFAC/IFIP/IFORS Conference on System Approach for Development and Najim, M. and International Federation of Automatic Control.},
	title = {System approach for development :},
	publisher = {Published for the International Federation of Automatic Control by Pergamon Press,},
	year = {1981, c1980.},
	address = {Oxford ;},
	edition = {1st ed.}
}