000 00318 a2200121 4500
082 _a333.7
_bENV
090 _c2851
_d2851
245 _aEnvironment
_cedited by Rathindra Nath Basu
260 _aCalcutta
_bUniversity of Calcutta
_c2002
300 _aiv, 232p.
650 _aNATURAL RESOURCES
942 _aGCL
_cBOOK
_k333.7 ENV
999 _c2731
_d2731