Note 143 — Chapter VIII · RADIOACTIVITY OF THE MINERALS
Reading edition
Proc. Roy. Soc. 1898-99, 64, 140.
[144] Vide Gray, Proc. Roy. Soc. 1908, A, 82, 306.
Reading edition
Proc. Roy. Soc. 1898-99, 64, 140.
[144] Vide Gray, Proc. Roy. Soc. 1908, A, 82, 306.