00352nam a2200133Ia 4500008004100000082001500041100001900056245003500075260004200110300000900152600002000161600002000181650001700201140113s9999 xx 000 0 und d a576.8 K9.1 a"Norris, J. R" aMethods in microbiology. Vol.1 b"New York : Academic Press Inc, 1969" a712p a"Ribbons, D. W" a"Ribbons, D. W" aMicrobiology