000			00355nam a2200145Ia 4500
008			170101s1949 xx 000 0 und d
082			_a541.373 N11I
100			_aNACHOD, Frederick C.
245		0	_aIon exchange theory and application.
260			_bN.Y. _c1949
300			_a411p.
650			_aION EXCHENGE
653			_aION EXCHENGE
942			_2ddc _cB
999			_c2772 _d2772