1. Potential for processing seafloor massive sulfides by magnetic separation;Alton;Mar. Min.,1989
2. Technological trends in ocean mining;Amann;Philos. Trans. R. Soc. London,1982
3. Development of ocean mining in the Red Sea;Amann;Mar. Min.,1985
4. The Red Sea Pilot Project: Lessons for future ocean mining;Amann;Mar. Min.,1989
5. Die rezente hydrothermal sedimentäre Lagerstätte Atlantis II Tief im Roten Meer;Bäcker;Geol. Rundsch.,1973