1. Solvent extraction of lanthanum (III) and cerium (III) from aqueous chloride solutions by LIX 70
2. Preprint;Agpar,1976
3. Analytical chemistry of the rare earths;Banks,1961
4. Extraction and Separation of Selected Lanthanides with a Tertiary Amine, RI 6809;Bauer,1966
5. Naphthenic Acid Solvent Extraction of Rare Earth Sulfates, RI 6396;Bauer,1964