Vol. 242, Issue 6, 1944June 01, 1944 EDT
Thorium-uranium Ratios in Rocks and Minerals
Thorium-uranium Ratios in Rocks and Minerals
Norman Bell Keevil,
Keevil, N. B. (1944). Thorium-uranium ratios in rocks and minerals. American Journal of Science, 242(6), 309–321. https://doi.org/10.2475/ajs.242.6.309