Photography as a tool by the editors of Time-Life Books. - Rev. ed. - New York : Time-Life Books [1971] - 236 p. illus. (part col.) 27 cm. - Life library of photography . Bibliography: p. 231. LCCN: 70134167 Subjects--Topical Terms: Photography--Scientific applications. LC Class. No.: TR692 / .T54 Dewey Class. No.: 778.3