Bethe, Hans A. 1906-2005. Quantum mechanics of one- and two-electron atoms, by Hans A. Bethe and Edwin E. Salpeter. - Berlin, New York, Springer; Academic Press, 1957. - 368 p. illus. 26 cm. Includes bibliography. LCCN: 58003131 Subjects--Topical Terms: Many-body problem.Atoms. LC Class. No.: QC174.1 / .B42 Dewey Class. No.: 530.1