1. Veld types of South Africa;Acocks;Mem. Bot. Surv. S. Afr.,1975
2. The vegetation of the Langebaan area, South Africa;Boucher;Trans. R. Soc. S. Afr.,1977
3. Pollen analytical studies ni East and Southern Africa;Coetzee;Palaeoecology of Africa,1967
4. Late Cainozoic palaeoenvironments of southern Africa;Coetzee,1978
5. Climatic and biological changes in south-western Africa during the Late Cainozoic;Coetzee;Palaeoecology of Africa,1978