M. Keil, U. Geßner, C. Hüttich, and R. Colditz. Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale, page 32 - 45. Göttingen & Windhoek, Klaus Hess Publishers, (2010)
M. Keil, U. Geßner, and C. Hüttich. Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale, page 29 - 31. Göttingen & Windhoek, Klaus Hess Publishers, (2010)
M. Keil, U. Geßner, and C. Hüttich. Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale, page 81 - 83. Göttingen & Windhoek, Klaus Hess Publishers, (2010)