1. Palynological studies of marine sediments off the West African coast;Agwu;Meteor Forschungs-Ergeb.,1982
2. Palynologische Untersuchungen an marinen Sedimenten vor der west-afrikanischen Küste;Agwu;Palaeoecol. Afr.,1984
3. Palynomorph distribution in recent offshore sediments along two traverses off South West Africa;Davey;Mar. Geol.,1975
4. Coccoliths: production, transportation and sedimentation;Honjo;Mar. Micropaleontol.,1976
5. Vegetational and climatic history of the high plain of Bogotá, Colombia: a continuous record of the last 3.5 million years;Hooghiemstra,1984