TY  - BOOK
AU  - Weston,Christopher
TI  - Mastering filters for photography: professional photography techniques for innovative images 
SN  - 9780817424510
U1  - 777.52 23
PY  - 2009///
CY  - New York
PB  - Watson-Guptill Publications
KW  - Photography
KW  - Light filters
N1  - Includes index
ER  -