00354nam a2200133Ia 4500008004100000082001600041100001900057245003600076260004200112300000900154600002000163600002000183650001700203140113s9999 xx 000 0 und d a576.8 K9.3B a"Norris, J. R" aMethods in microbiology. Vol.3B b"New York : Academic Press Inc, 1969" a369p a"Ribbons, D. W" a"Ribbons, D. W" aMicrobiology