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- [4] RECOVERY OF PLATINUM-GROUP METALS FROM GABBROIC ROCKS JOURNAL OF METALS, 1988, 40 (06): : 36 - 39
- [7] REFINING OF PLATINUM-GROUP METALS TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1987, 96 : A117 - A119
- [8] OXIDATION OF THE PLATINUM-GROUP METALS JOURNAL OF THE LESS-COMMON METALS, 1963, 5 (05): : 411 - 431
- [10] THE RECOVERY OF PLATINUM-GROUP METALS FROM THE CHROMITE REEFS OF THE BUSHVELD COMPLEX CIM BULLETIN, 1982, 75 (845): : 74 - 74