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| In: Hutton, J. et al. Endangered species threatened convention: the past, present and future of Cites, the Convention on International Trade in endangered species of wild fauna and flora. London, Earthscan: pp. i-xx, 1-202 |
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| Martin, R.B., 1993. Rhino population dynamics, illegal hunting and law enforcement in the Lower Zambezi valley in Zimbabwe: pp. 10-32, figs. 1-15, tables 1-9
| 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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