000			00259nam a2200097Ia 4500
008			160710s1965 xx 000 0 und d
100			_aADVANCES IN PHYSICS
245			_aADVANCES IN PHYSICS,NO.53,55,56
260			_bTAYLOR & FRANCIS LTD. _c1965
942			_2ddc _cB
999			_c39825 _d39825