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Technological alternatives for the conservation of strategic and critical minerals, cobalt, chromium, manganese, and platinum-group metals : a review
Foster, Russell J., (1985)
Technological and economic Assessment of manganese nodule mining and processing
Little, A. D., (1977)
Manganese deposits in the Drum Mountains, Juab and Millard Counties, Utah
Crittenden, Max D., (1961)