On the Relative Positions and Intensities of Lines in X-ray Spectra.

1 E. Wagner, Ann. Physik, Leipzig, March, 1915 (868). 2 M. de Broglie, J. Physique, Paris, May-June, 1916 (161); and Paris C. R. Acad. Sci., Nov. 24, 1919 (962). 3 Blake and Duane, Physic. Rev., Ithaca, Dec., 1917 (624); and Duane and Patterson, Ibid., 1920. , 4Siegbahn and Friman, Phil. Mag., London, April, 1916 (423); and Nov., 1916 (497). 6 D. L. Webster, Proc. Nat. Acad. Sci., Washington, D. C., Jan., 1920 (26). 6 Duane and Hu, Physic. Rev., June, 1918 (488); and Dec., 1919 (516); and Duane and Shimizu, Ibid., Feb., 1919 (159) and Dec., 1919 (522). 7 Duane and Shimizu, Ibid., July, 1919 (67); Duane and Patterson, Ibid., 1920; Duane and Stenstrom, Ibid., April, 1920 (302); and Proc. Nat. Acad. Sci., Aug. 1902. 8 Stenstrom, Doctor's Dissertation, Lund, 1919. 9 Webster and Clark, Proc. Nat. Acad., March, 1917 (181). 10 Rubinowicz, Physik. Zs., Leipzig, 19, 1918 (441-465). 11 Bohr, Copenhagen Academy, 1918. 12 Compare Sommerfeld, Atombau und Spektrallinien, Chapter 6. Compare de Broglie Paris, C. R. Acad. Sci., Nov. 24, 1919 (962).