1. Ground-water resources of Atascosa and Frio Counties, Texas;Alexander;Texas Water Dev. Board, Rep. 32,1966
2. Geology of the oxidized uranium ore deposits of the Tordilla Hill-Deweesville area, Karnes County, Texas; a study of a district before mining;Bunker;U.S. Geol. Surv., Prof. Paper, 765,1973
3. Comparative oxidation rates of U-234 and U-238 atoms in certain minerals;Chalov;Dokl. Akad. Nauk. SSSR,1966
4. Uranium-234;Cherdyntsev,1971
5. Isotopic composition of uranium and thorium in rocks and products of active volcanism;Cherdyntsev;Dokl. Akad. Nauk SSSR.,1967