Sea-bed mining (1977-1979)

Παρόμοια τεκμήρια

• Sea-bed mining of manganese nodules, II : 1977-1979
  ανά: British Ship Research Association
• Analysis of exploration and mining technology for maganese nodules
  Έκδοση: (1984)
• Ocean mining
  ανά: British Ship Research Association
  Έκδοση: ([197)
• Cashing in on the ocean [kasetvideo]
  Έκδοση: (1978)
• Manganese nodules : dimensions and perspectives
  ανά: 5240 United Nations Ocean Economics and Technology Office