000 00314nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a543.063
_bWEL
100 _aHahn, Richard B
245 0 _aSemimicro qualitative analysis
260 _aNew York
_bVan Nostrand
_c1955
700 _aWelcher, Frank J
942 _cBK
999 _c20920
_d20920