| George, M.; Chemnick, L.G.; Cisova, D.; Gabrisova, E.; Stratil, A.; Ryder, O.A., 1993. Genetic differentiation of white rhinoceros subspecies: diagnostic differences in mitochondrial DNA and serum proteins: pp. 105-113, figs. 1-3, tables 1-3
| In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368 |
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| George, M.; Puentes, L.A.; Ryder, O.A., 1983. Genetische Unterschiede zwischen den Unterarten des Breitmaulnashorns: pp. 60-67, figs. 1-3, table 1
| In: Kloes, H.G. et al. International studbook for the African rhinoceroses, 31.12.1982, No. 2. Berlin, Zoologischer Garten: pp. 1-205, pls. 1-4 |
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