1. Metals as materials, the 1977 Presidential address;Nutting;Metals & Materials,1977
2. Abundance of chemical elements in the continental crust;Taylor;Geochim. Cosmochim. Acta,1964
3. Abundance of the chemical elements in the Earth's crust;Chi-Lung;Int. Geology Rev.,1970
4. Limits and possibilities of deep sea mining for the extraction of mineral raw materials—the case of manganese nodules;Boin;Min. Mag.,1980
5. Kennecott process for recovery of copper, nickel, cobalt, and molybdenum from ocean nodules;Agarwal;Mining Engng.,1979