1. The vegetation of Angola;Airy Shaw;Journal of Ecology,1947
2. Welwitschia mirabilis: observations on movement of water and assimilates under fohn and fog conditions;Bornman;Madoqua,1973
3. Climate, weathering, crust formation, dunes, and fluvial features of the central Namib desert, near Gobabeb, South West Africa;Goudie;Madoqua,1972
4. Climate of the central Namib desert;Lancaster;Madoqua,1984