@book{8163,
	author = {Longhurst, R. S.},
	title = {Geometrical and physical optics},
	publisher = {Longman},
	year = {[1973]},
	series = {A Longman text},
	address = {[London]},
	edition = {3d ed.},
	note = {Label mounted on t.p.: Distributed in the U.S.A. by Longman Inc., New York.}
}