Langford, Michael, 1933- Advanced photography / Michael Langford. - 6th ed. - Oxford ; Boston : Focal Press, 1998. - x, 325 pages. : illustrations Includes index. ISBN: 0240514866 LCCN: 97042017 Subjects--Topical Terms: Photography. LC Class. No.: TR 145 / .L318 1998 Dewey Class. No.: 770