000 00305nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a547.358 B427
100 _aBELCHER.R
245 0 _aSEMI-MICRO QUALITATIVE ORGANIC ANALYSIS
260 _aNEW YORK
_bLongman
_c1954
300 _a22X14
942 _cBK
_2DDC
999 _c12770
_d12770