On the quantum theory of radiation and the structure of the atomNote 25 — § 3. Spectra emitted from systems containing more than one electron.Reading editionFranck and Hertz, Verh. d. D. Phys. Ges. xvi. pp. 457, 512 (1914).◇Copy noteReturn to § 3. Spectra emitted from systems containing more than one electron.