Kolbe, R.W. (1954). Diatoms from equatorial Pacific cores. In: H. Pettersson (ed.), Reports of the Swedish Deep-Sea Expedition 1947-1948, Sediment cores from the West Pacific. Göteborgs Kungl. Vetenskaps- Och Vitterhets-Samhälle, Göteborg, 6(1): 49 pp., 4 pls