@book{120889,
	author = {Fegan, Ethel S. and Cant, Monica, and Cheltenham (England).},
	title = {The Cheltenham classification :},
	publisher = {W. Heffer,},
	year = {1958.},
	address = {Cambridge : },
	edition = {[2d ed., rev. by E. S. Fegan and V. M. Hounsfield]}
}