00287nam a2200109Ia 4500008004100000020001800041082001500059100002200074245003200096260004100128300000800169190710s9999    xx            000 0 und d  a81-7888-423-2  a660.6 V442  aVashisth, Pratham 0aEnvironmantal biotechnology  aNew DelhibDominant Publishersc2005  a255