00355nam a2200133Ia 4500008004100000020001500041041001200056082001600068100002100084245006900105260002500174300000800199650001400207221030s9999    xx            000 0 und d  a8120319605  aEnglish  a105.23bCha  aA. K. Chatterjee 0aIntroduction to Environmental Biotechnologycby A. K. Chatterjee  bPHIaNew Delhic2002  a179  aChemistry