00288nam a2200109Ia 4500008004100000082001500041100001900056245003500075260004200110300000900152650001700161140113s9999    xx            000 0 und d  a576.8 L6.9  a"Norris, J. R"  aMethods in microbiology. Vol.9  b"New York : Academic Press Inc, 1976"  a251p  aMicrobiology