Budzikiewicz, Herbert. Interpretation of mass spectra of organic compounds / Herbert Budzikiewicz, Carl Djerassi [and] Dudley H. Williams. - San Francisco : Holden-Day, c1964. - xiii, 271 p. : diagrs. ; 27 cm. Includes bibliographies. Subjects--Topical Terms: Mass spectrometry.Chemistry, Organic. Dewey Class. No.: 547.3533 / BUI 1964