Ramakrishnan, Alladi. Elementary particles and cosmic rays / by Alladi Ramakrishnan. - Oxford : New York : Pergamon Press, c1962. - xvi, 567 p. : ill., diagrs., tables ; 25 cm. Includes bibliographical footnotes & Index. Subjects--Topical Terms: Quantum theory.Particles (Nuclear physics)Cosmic rays. Dewey Class. No.: 539.721 / RAE 1962