The mass spectra of organic molecules / J. H. Beynon, R. A. Saunders and A. E. Williams. Beynon, J. H. (John Herbert) Saunders, R. A., author. Williams, A. E. (Albert Edward), 1922-, author. Mass spectrometry. Chemistry, Organic. QD271 .B49 547.353 18 BEM Includes Bibliographical references : p. 479-493. and index. Amsterdam ; London ; New York : Elsevier Pub. Co., c1968. c1968. 1968 Text ix, 511 p. : eng