Langford, Michael John, 1933- Advanced photography / Michael Langford. - 6th ed. - Oxford ; Boston : Focal Press, 1998. - x, 325 p. : ill. (some col.) ; 25 cm. Includes index. ISBN: 0240514866 LCCN: 97-042017 Subjects--Topical Terms: Photography. Dewey Class. No.: 770