Wehr, M. Russell 1902- Physics of the atom / by M. Russell Wehr and James A. Richards, Jr. - Reading, Mass., Addison-Wesley Pub. Co. 1960. - 420 p.: ill. 24 cm. - Addison-Wesley books in physics and nuclear energy . LCCN: 60005167 Subjects--Topical Terms: Matter--Constitution.Nuclear physics. LC Class. No.: QC173 / .W42 1960 Dewey Class. No.: 539.7/ / WEH