1. Test of thermoluminescence dating of buried soils from Mount Kenya;Berger;Sedimentary Geology,1990
2. Soils and geomorphology;Birkeland,1984
3. The Ecology of the Alpine Zone of Mount Kenya;Coe,1967
4. Pollen analytical studies in East and Southern Africa;Coetzee,1967
5. Palynology of the TV61 section on Mount Kenya, East Africa;Cooremans,1990