TY  - BOOK
AU  - John,D.H.D.
AU  - Field,G.T.J.
TI  - A text book of photographic chemistry
U1  - 771.5 
PY  - 1963///
CY  - London
PB  - Chapman and Hall
KW  - Photographic chemistry
KW  - Photographic emulsions
KW  - Photography
KW  - Exposure
N1  - Includes index
ER  -