000 00342nam a22001217a 4500
008 170111b xxu||||| |||| 00| 0 eng d
020 _a--
100 _aMetcalf
245 _aWastewater engineering
_btreatment disposal reuse
260 _aNew delhi
_bTata Mcgraw hill publishing company ltd
_cc1979
300 _axvii, 885p.
942 _2udc
_cBK
999 _c13980
_d13980