000			00288nam a22001217a 4500
020			_aNA
082			_222 _a628.320
100			_aSchroeder Edward D.
245			_aWather and waste water treatment /
260			_aMGH, _bMGH, _cc1977.
300			_a370 p, ; _bNA _c24cm.
942			_2ddc _cCIVIL _01
999			_c3097 _d3097