@book{11992,
	author = {Coltrane, Robert Irvin, and Baum, E. L.},
	title = {An economic survey of the Appalachian region, with special reference to agriculture /},
	publisher = {Economic Research Service, U.S. Dept. of Agriculture,},
	year = {1965.},
	address = {Washington :},
	note = {Cover title.}
}