TY  - BOOK
AU  - Shank,Bradford
TI  - Filters and their uses,
T2  - Little technical library. [3]
AV  - TR590.5 .S45x
PY  - 1939///]
CY  - Chicago, New York
PB  - Ziff-Davis Pub. Co.
KW  - Photography
KW  - Light filters
KW  - fast
ER  -