Systematic mineralogy of uranium and thorium /

Autor Frondel, Clifford, 1907-2002
Vydáno 1958

Distribution of thorium and uranium in three early Paleozoic Plutonic Series of New Hampshire /

Autor Lyons, John B. 1916-
Vydáno 1964

Geology and ore deposits of the Bokan Mountain uranium-thorium area, southeastern Alaska /

Autor MacKevett, E. M. 1918-
Vydáno 1963