1. T.-L. Ku, Rates of manganese accretion, in: Marine Manganese Deposits, ed. G.P. Glasby (Elsevier, Amsterdam) in press.
2. Origin of manganese nodules of the Pacific Ocean from radioisotope data;Cherdyntsev;Geokhimiya,1971
3. C. Lalou, G. DeLigrias, E. Brichet and J. Labeyrie, Existence de carbone-14 au centre deux nodules de manganèse du Pacifique: ages carbone-14 et thorium-230 de ces nodules, C.R. Acad. Sci. Paris, Sér. D, 276: 3013–3015.
4. Radiometric evidence for the rapid growth rate of shallow-water continental margin manganese nodules;Ku;Geochim. Cosmochim. Acta,1972
5. Accretion rates of freshwater manganese deposits;Krishnaswami;Nature Phys. Sci.,1973