1. Fixation of uranium in the oxidized baze metal ores of the Good-springs District, Clark Co., Nevada;Barton;Econ. Geol.,1956
2. Uranium in sedimentary rocks;Borovec;Cas. Mineral. Geol.,1973
3. Sorption of uranyl by humic acids;Borovec;Chem. Geol.,1979
4. Principles of Physical Chemistry;Brdic̆ka,1977
5. Clay mineral-uranium mineralization: organic carbonaceous matter relationships in the Grants Mineral Belt, New Mexico;Brookins;Econ. Geol.,1974