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Potential fiscal impacts of manganese nodule processing in the Puna and Kohala districts of Hawaii
Blood, Dwight M., (1984)
Manganese nodule distribution, mineralogy and geochemistry and relation to sediment type in the Aitutaki Passage, South-West Pacific
Glasby, G. P., (1983)
Meeresbergbau auf Kobalt, Kupfer, Mangan und Nickel : Bedarfsdeckung, Betriebskosten, Wirtschaftlichkeit
Dorstewitz, Günter, (1971)
Global approaches to commodity price stabilization
Baghdadi, Mahdi el, (1989)