17
312. Debierne, C. R. 138, p. 411, 1904.
18
313. Miss Brooks, Phil. Mag. Sept. 1904.
CHAPTER XI. TRANSFORMATION PRODUCTS OF RADIUM.
1
314. Rutherford and Soddy, Phil. Mag. April, 1903.
2
315. Rutherford, Phil. Trans. A. p. 169, 1904. Curie and Danne, C. R. p. 748, 1904.
3
316. P. Curie and Danne, Comptes Rendus, 138, p. 748, 1904.