000 00280nam a2200121Ia 4500
999 _c3691
_d3691
100 _aHarold E Babbitt
245 _aWater Supply Engineering
250 _a6
260 _c1949
_bMcGRAW HILL
_aNew York
300 _avii+672
700 _aJames J Donald
_eJohn L Cleasby
942 _cBK