1. Further observations on the composition of manganese nodules with particular reference to some of the rarer elements;Ahrens;Geochim. Cosmochim. Acta,1967
2. Pelagic sediments;Arrhenius,1963
3. Counterions in marine manganates;Arrhenius,1979
4. Contribution a l'étude mineralogique et géochimique des nodules polymétalliques du Pacifique Nord;Bléry-Oustriére,1980
5. Extractive chemistry of equatorial Pacific pelagic sediments and relationship to nodule forming processes;Bowser,1979