000 00446pam a2200169a 44500
008 160408b1971 xxu||||| |||| 00| 0 eng d
082 _a547.59
_bP834
100 _aPorter, Q. M.
245 1 _aMASS SPECTROMETRY OF HETEROCYCLIC COMPOUNDS
260 _aN. Y.
_bWiley-Interscience
_c1971
300 _a564
650 _aHeterocyclic Compounds
650 _aMass Spectrometry
700 _aBaldas, J.
964 _gCIRC
997 _aA27065 C
999 _c261396
_d261396