000 00363nam a2200121Ia 4500
008 160316s1975 xxu||||| |||| 00| 0 eng d
100 _aParker, H W
245 _aWastewater Systems Engineering
_b/ Parker, H W.
260 _aEnglewood Cliffs
_bPrentice - Hall
_c1975
300 _axiv,412 p
650 _aSEWAGE-PURIFICATION
999 _c1172
_d1172