TY - BOOK AU - Cox,R.J. ED - Symposium on the non - siver photographic processes TI - Non - silver photographic processes: proceeding SN - 012194409 U1 - 770.82 PY - 1975/// CY - London PB - Academic Press KW - Photography KW - Processing KW - Congresses KW - Photographic chemistry N1 - Includes index ER -