000			00352nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a620.3
100			_aPfafflin,J.R.
245			_aEncyclopedia of environmental science and engineering. Vol. I
260			_aNY _bOxford and Breach _c1976
300			_a600
650			_aEngineering
942			_2ddc _cBK
999			_c7485 _d7485