00273nam a2200109Ia 4500008004100000041000800041082000800049100001200057245005200069260003400121300000800155211209s1972    xx            000 0 und d  aeng  aAND  aANDRE R  aPHOTOGRAPHIC SILVER HALIDE DIFFUSION PROCESSES   aLONDONbTHE LOCAL PRESSc1972  a302