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- [5] MANGANESE ON THE OCEAN-FLOOR TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1985, 94 (JUL): : A166 - A167
- [6] 2 MODELS OF LOCAL DISPOSITION OF MANGANESE NODULES ON THE OCEAN-FLOOR OKEANOLOGIYA, 1989, 29 (06): : 987 - 991
- [7] PLATINUM ABUNDANCE IN OCEAN-FLOOR FERROMANGANESE CRUSTS AND NODULES MARINE MINING, 1988, 7 (03): : 209 - 218
- [10] PHOTOGRAPHING MANGANESE NODULES ON OCEAN FLOOR OCEANOLOGY INTERNATIONAL, 1971, 6 (12): : 26 - &