Beta- and gamma-ray spectroscopy / edited by Kai Siegbahn - Amsterdam : North-Holland Pub. Co.; [sole distributors for U.S.A.: Interscience Publishers, New York] , 1955. - xxiii, 959 p. : diagrs., tables. ; 24 cm. Bibliographical footnotes and index. Subjects--Topical Terms: Spectrum analysisNuclear physics.Gamma rays.Beta rays. Dewey Class. No.: 539.5 / BET 1955