Mesons and fields : Silvan S. Schweber, Hans A. Bethe and Frederic De Hoffmann. vol. I, fields / Schweber, S. S. (Silvan S.) Bethe, Hans A. (Hans Albrecht), 1906-2005. Nuclear physics. Quantum theory. Mesons. QC173 .S288 539.72 SCM Vol. 2 by Hans A. Bethe and Frederic De Hoffmann. Includes bibliographical references and index. Evanston, Ill. : Row, Peterson, c1956. c1956. 1955 Text xvi, 449 p. : eng