Sea-bed mining (1977-1979)

Antzeko izenburuak

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