00294nam a2200109Ia 4500008004100000020001500041041000800056100001900064245004900083260004400132300000800176211209s2005    xx            000 0 und d  a8120319605  aeng  aCHATTERJI, A K  aINTRODUCTION TO ENVIRONMENTAL BIOTECHNOLOGY   aNEW DELHIbPREINTCE HALL OF INDIAc2005  a179