@book{14971,
	author = {Colberg, Marshall Rudolph, and  Forbush, Dascomb R.},
	title = {Business economics :},
	publisher = {R. D. Irwin,},
	year = {c1964.},
	address = {Homewood, Ill. :},
	edition = {3d ed.},
	note = {1951 ed. by R. M. Alt and W. C. Bradford.}
}