Assessment of manganese nodule resources : the data and the methodologies

Eitemau Tebyg

• Manganese nodules : dimensions and perspectives
  gan: 5240 United Nations Ocean Economics and Technology Office
• Analysis of exploration and mining technology for maganese nodules
  Cyhoeddwyd: (1984)
• Cashing in on the ocean [kasetvideo]
  Cyhoeddwyd: (1978)
• Sea-bed mining (1977-1979)
  gan: British Ship Research Association
  Cyhoeddwyd: ([19-)
• Manganese
  gan: 375727 Sully, Arthur Henry