Enge, Harald A. Introduction to atomic physics [by] Harald A. Enge, M. Russell Wehr [and] James A. Richards. - Reading, Mass., Addison-Wesley Pub. Co. [1972] - ix, 486 p. illus. 25 cm. - Addison-Wesley series in physics . Subjects--Index Terms: Atomic theory. Matter--Properties. Wave mechanics Dewey Class. No.: 539.7 / ENG