[351]. Rutherford and Soddy, Phil. Mag. May, 1903.
[352]. Boltwood, Nature, May 25, p. 80, 1904. Phil. Mag. April, 1905.
[353]. McCoy, Ber. d. D. Chem. Ges. No. 11, p. 2641, 1904.
[354]. Strutt, Nature, March 17 and July 7, 1904. Proc. Roy. Soc. March 2, 1905.
[355]. Strutt, Proc. Roy. Soc. March 2, 1905.
[356]. Soddy, Nature, May 12, 1904; Jan. 19, 1905.
[357]. Whetham, Nature, May 5, 1904; Jan. 26, 1905.
[358]. Danne, C. R. Jan. 23, 1905.
[359]. J. J. Thomson, Nature, April 30, p. 601, 1903.
[360]. Voller, Phys. Zeit. 5, No. 24, p. 781, 1904.