TY  - BOOK
ED  - Time-Life Books.
TI  - Special problems
T2  - Life library of photography
AV  - TR624 .T55
U1  - 770.282 
PY  - 1971///]
CY  - New York : Time-Life Books
KW  - Photography, Applied
KW  - Local
N1  - Bibliography: p. 205
ER  -