1. Recovery of uranium from wet process phosphoric acid;Hurst;Ind. Eng. Chem., Process Des. Dev.,1972
2. Solvent impregnated resins incorporating phosphoric acid compounds;Warshawsky;Trans. Inst. Min. Metal,1979
3. Solvent-impregnated resins;Warshawsky,1981
4. On the mechanism of extraction of uranium(VI) from nitric acid solutions by di-2-ethylhexylphosphoric acid gels;Shakir;Chimia,1980
5. Extraction or uranium (VI) by di-(2-ethylhexyl)phosphoric acid, based on styrene-divinylbenzene copolymer;Shakir;J. Chem. Tech. Biotechnol.,1980