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3. Relation between the concentration of uranium in zircon, monazite and sphene of granites and the degree of alteration of these minerals;Baranov;Geochem. Int.,1961
4. Distribution relationships of uranium in intrusive rocks of northern Kazakhstan;Berzina;Int. Geol. Rev.,1975
5. The adsorption of uranyl species by fine clay;Borovec;Chem. Geol.,1981