000 00331nam a2200121Ia 4500
100 _aTrivedy, R K & Kumar, Arvind
020 _a81-86421-0303
942 _cBK
245 _aEcotechnology for pollution control and environmental management
260 _aEnviro Media, Karad
_c1998
082 _a614.7 Tri/Kum
300 _ax,322p ill.
999 _c33208
_d33208