000 00390nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a547 D9
100 _a"Das, K G"
245 0 _aOrganic Mass Spectrometry
250 _a\\197400ENGGPSX
260 _aOxford
260 _b1974
260 _cBangladesh
300 _a272p
500 _aincludes index and biblioraphy
942 _cBK
999 _c34457
_d34457