00617nam a2200205Ia 450000500170000000800410001702000180005802000180007608200180009410000150011224500390012726000490016630000140021565000260022970000160025570000160027194200080028795200990029599900170039420250628150214.0240817s9999    xx            000 0 und d  a81-89304-01-1  a9788189304010  a333.7 Si64, e  aSingh, M.P 0aEnvironment and Natural Resources.  c2005a New Delhib Satish Serial Pub. House.  aiv, 451p.  aEnvironmental Science  aAbbas, S.G.  aSingh, B.S.  cREF  00102ddc4070aTCLbTCLd2024-08-21l0o333.7 Si64,ep62239r2024-08-21w2024-08-21yREFKL  c38089d38089