Chapman-Jones, D.; George, M. 1999. Heart rate of a rhinoceros running a marathon. British Journal of Sports Medicine 33: 365-366, figs. 1-2.
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. In: Ryder, O.A. 1993. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society. pp. 105-113, figs. 1-3, tables 1-3.
George, M.; Puentes, L.A.; Ryder, O.A. 1983. Genetische Unterschiede zwischen den Unterarten des Breitmaulnashorns. In: Berlin Zoo; Kloes, H.G.; Frese, R. 1983. International studbook for the African rhinoceroses, 31.12.1982, No. 2. Berlin, Zoologischer Garten. pp. 60-67, figs. 1-3, table 1.






