000 00378nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e14663
_aMAIN
041 _aEnglish
082 _a547.59 P834M
100 _aPorter, Q N
245 0 _aMass spectrometry of heterocyclic compounds
260 _aNew York
_bWiley Interscience
_c1971
300 _axvii, 564 p.
942 _cBK
999 _c142078
_d142078