Sommerfeld, Arnold, 1868-1951. Three lectures on atomic physics, by Arnold Sommerfeld ... tr. by Dr. Henry L. Brose, with eight diagrams. - London, Methuen & co. ltd. [1926] - 2 p.l., 70 p., 1 l. diagrs. 20 cm. LCCN: 27014792 Subjects--Topical Terms: Atoms.Spectrum analysis. LC Class. No.: QC173 / .S53