1. Solvent Extraction - Principles and Applications to Process Metallurgy;Ritcey,1984
2. Solvent Extraction — Principles and Applications to Process Metallurgy;Ritcey,1979
3. Development of a Solvent Extraction Process for the Separation of Cobalt from Nickel;Ritcey;CIM Bulletin,1975
4. Purification of manganese solutions containing copper and zinc by liquid-liquid extraction using di-2-ethylhexyl phosphoric acid;Ritcey;Can. Metall. Q.,1971
5. Novel Solvent Extraction Reagents - The Key to New Zinc Processing Technology;Dalton,1993