000 00317nam a2200133Ia 4500
008 180112s9999||||xx |||||||||||||| ||und||
020 _a9788120417120
082 _a628.4
100 _aDATTA A.K;RAO M.N
245 0 _aWASTE WATER TREATMENT
260 _aCALCUTTA
_bOXFORD
_c1977
300 _a338
650 _aWastewater Engg
942 _cGEN_BK
999 _c1647
_d1647