Assessment of manganese nodule resources : the data and the methodologies

Ижил төстэй зүйлс

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