1. Pliocene-Pleistocene paleoceanography in the Weddell Sea—siliceous microfossil evidence;Abelmann,1990
2. Quantitative biochronology of Pliocene and early Pleistocene calcareous nannoplankton from the Atlantic, Indian and Pacific Oceans;Backman;Mar. Micropaleontol.,1983
3. An ecological, Zoogeographic and taxonomic review of Recent planktonic foraminifera;Bé,1977
4. Distribution and ecology of living planktonic foraminifera in surface waters of the Atlantic and Indian Oceans;Bé,1971
5. Neogene geochronology and chronostratigraphy;Berggren,1985