Porter, Q. N. (Quinton Noel) Mass spectrometry of heterocyclic compounds Q.N. Porter - 2nd edition - New York John Wiley & Sons 1985 - 966p. ill. 24cm - General heterocyclic chemistry series . Includes bibliographies and index ISBN: 0471099015 LCCN: 84-13167 Subjects--Topical Terms: Mass spectrometryHeterocyclic compounds--Spectra