00327nam a2200121 a 450000500170000002000150001708200160003210000060004811000140005424500660006826000510013430000200018520251203110223.0  a8176482234  a576.15bTEW  d_  aTewari, R  aRole of microbes in the management of environmental pollution  aNew DelhibA.P.H. Publishing Corporationc2001  axii,202p.c26cm