Bethe, Hans A. 1906-2005. Elementary nuclear theory / Hans A. Bethe and Philip Morrison. - 2d ed. - New York, Wiley [1956] - 274 p. illus. 24 cm. LCCN: 56007152 Subjects--Topical Terms: Nuclear physics. LC Class. No.: QC173 / .B48 1956 Dewey Class. No.: 539.1