Viljoen, Jozua Jakobus; Ganswindt, Andre; Palme, Rupert; Reynecke, Hendrik C.; Du Toit, Johan T.; Langbauer, William Richard(South African National Parks, 2008)
Marneweck, David G.; Ganswindt, Andre; Rhodes, Stephanie; Bellem, Astrid; Bryant, Jocelyn; Wielebnowski, Nadja; Dalerum, Fredrik(Mammal Research Institute, Polish Academy of Sciences, 2013-02)