1. Extraction with solvent-impregnated resins;Warshawsky,1981
2. Application of newly developed materials for extraction chromatography of inorganic salts in columns;Kroebel,1974
3. Structure and properties of Levextrel resins;Kauczor;Hydrometallurgy,1978
4. Extraction data for uranium, plutonium, americium, zirconium and ruthenium in the system HNO3-Levextrel-TBP;Ochsenfeld;Kerntechnik,1976