00309nam a2200145Ia 4500008004100000082000800041082000800049100002000057245002900077260001400106260001700120260000600137300000800143650001200151230706s9999    xx            000 0 und d  a570  bMAR  aMARSHALL (K.C.) 0aAdvances in microbiology  aNew Delhi  bPelenum Pub.  c0  a534  aBiology