@book{5067,
	author = {Dyer, Robert F. and Forman, Ernest H.},
	title = {An analytic approach to marketing decisions /},
	publisher = {Prentice Hall,},
	year = {c1991.},
	address = {Englewood Cliffs, N.J. :},
	note = {System requirements for computer disk (Expert choice): PC; DOS; 2 disk drives, or hard disk with 1 disk drive.}
}