Enge, Harald A. Introduction to atomic physics /cHarald A. Enge, M.Russell Wehr [and] James A. Richards. - Reading, Mass. : Addison-Wesley Pub. Co., 1972. - ix, 486 p. : ill. ; 25 cm. - Addison-Wesley series in physics . Includes bibliographies. Subjects--Topical Terms: Atomic theory.Matter--Properties. LC Class. No.: QC171.2 / .E5 1972