TY  - BOOK
AU  - edited by Cox, R.J
ED  - Symposium on Photographic Sensitivity 
ED  - Royal Photographic Society
TI  - Photographic sensitivity:  
SN  - 0121944654
U1  - 771.5 
PY  - 1973///
CY  - London
PB  - Academic Press
KW  - Photography -- Films -- Congresses
ER  -