@book{79237,
	author = {IFAC International Symposium on Multivariable Technological Systems, 4th, Fredericton, Canada, 1977 and Atherton, Derek Percy and International Federation of Automatic Control},
	title = {Multivariable technological systems :},
	publisher = {Pergamon Press,},
	year = {1978},
	address = {Oxford :}
}