TY  - BOOK
T1  - The zone system for 35mm photographers a basic guide to exposure control
A1  - Graves, Carson
LA  - English
PP  - Boston
PB  - Focal Press
YR  - 1997
ED  - 2nd ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217604098905
OP  - 130
CN  - TR 591 G73 1997
SN  - 0240802039
KW  - Zone system (Photography)
KW  - 35mm cameras.
ER  -