Sachs, Robert Green, 1916- Nuclear theory / by Robert G. Sachs. - Cambridge, Mass : Addison-Wesley Pub. Co, 1953 [reprinted 1955]. - xi, 383 p. : ill. ; 24 cm. - A-W series in advanced physics . - A-W series in advanced physics . Includes indexes. Subjects--Topical Terms: Nuclear physics.Two-body problem. Dewey Class. No.: 539.7 / SAN 1955