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- [2] REVIEW OF METHODS AVAILABLE FOR EXTRACTION AND PRODUCTION OF SMELTER-GRADE ALUMINA FROM UNITED-KINGDOM INDIGENOUS RESOURCES, WITH PARTICULAR REFERENCE TO THE MICACEOUS RESIDUES OF THE CHINA-CLAY INDUSTRY TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION C-MINERAL PROCESSING AND EXTRACTIVE METALLURGY, 1979, 88 (SEP): : C153 - C160