000 00294nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aWalter G.Bell
245 0 _aPhysical methods in chemical analysis vol.2
260 _bAcademic press
260 _c1951
365 _b101.25
942 _cBK
999 _c199151
_d199151