000 00617nam a22002417a 4500
999 _c64595
_d64595
005 20201202165941.0
008 201202b ||||| |||| 00| 0 eng d
020 _a0471251151
082 _a628.1 F163E
100 _aFair, Gordon Maskew
100 _aGeyer, John Charles
100 _aOkun, Daniel Alexander
245 _aElements of Water Supply and Wastewater Disposal
250 _a2
260 _aNew York
_bJohn Wiley
_c1971
300 _ap.752
650 _bAeration
650 _bSedimentation
650 _bFiltration
650 _bDiinfection
650 _aBiological Treatment
942 _cSW