@book{67512,
	author = {Baker, Bevan B. and Copson, E. T.},
	title = {The mathematical theory of Huygens' principle /},
	publisher = {Clarendon Press,},
	year = {c1950[reprint 1969].},
	address = {Oxford :},
	edition = {2d ed.},
	note = {Includes index.}
}