| Boeer, M.; Brain, C.; Cantzler. T.; Hamza, H.; Venzke, K., 1999. Reintroduction of a captive born white rhinoceros (Ceratotherium simum simum) to the Etosha National Park Part II: Behaviour in the boma, procedures before and locomotion during the first ten weeks after release and observations from June until November. Zoologische Garten 69: 73-81, figs. 1-6
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