000			00378nam a22001457a 4500
020			_a0139501061
082			_a628 _bHAM
100			_aMark J Hammer _911379
245			_aWater and wastewater technology
250			_a2nd ed.
260			_aNew Jersey _bPrentice Hall career and technology _c1986
300			_a550p.
650			_aChemistry _vBiology _zWater quality _9741
942			_cBK
999			_c245287 _d245287