1. Aspects of the geological setting of manganese nodule deposits;Andrews;CCOP/SOPAC Tech. Bull.,1976
2. Distribution patterns of manganese nodule deposits in the northeast equatorial Pacific;Andrews;Mar. Min.,1979
3. Minor-element composition of ferromanganese nodules;Barnes;Science,1967
4. Classification and genesis of submarine iron-manganese deposits;Bonatti,1972
5. Geochemistry and age of a ferro-manganese crust from the Galapagos spreading center, Eastern Pacific;Burnett;Trans. Am. Geophys. Union,1975