1. Veld types of South Africa;Acocks,1953
2. Development of a large undisturbed weighing lysimeter for evapotranspiration studies on grassland;Armijo,1972
3. NOAA/AVHRR derived vegetation indices as a monitoring tool for drought and rangeland condition in southern Africa;Badenhorst,1994
4. Relations between soil factors and herbage yield of natural grassland on sandy soils in the south-eastern Transvaal;Barnes;Journal of the Grassland Society of southern Africa,1991
5. Volhoubare landbou in die halfdroë gebiede van Suid-Afrika Die bydrae van Grondkunde;Bennie,1991