000 00470 a2200169 4500
020 _a8186421033
082 _a628.5
_bECO
090 _c18428
_d28555
100 _aTrivedy, R.K.
_eed.
245 _aEcotechnology for pollution control and environmental management
260 _aKarad
_bEnviro Media
_c1998
_g1998
300 _axi,322p.
_c24cm
650 _aEnvironmental Pollution
650 _aEnvironmental Management
700 _aKumar, Arvind
_eed.
942 _cPR
999 _c46279
_d46279