00414nam a2200157 a 450000500170000010000190001724500460003626000290008230000110011169000120012269000120013496400230014699700180016999900170018795200520020420251203092018.0  aChost,Ryzard J  aMicrobial enzymes in Aduatic Environments  aNewDelhibSpringerc1991  axv,317  aBiology  aEnzymes  bENGLISHcdefg_  a73586 LIBSC C  c60797d60797  00104070aPUbPUd1998-08-05l0o p73586yBK