 | Downie, S., 2019. Tribute: Lucky Mavrandonis-a man with a passion, purpose and vision. Pachyderm 60: 150-151
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 | Downie, S.P., 2013. Focus on black rhino: Diceros bicornis bicornis population dynamics and a formula for successful conservation of the species 2002-2012. Proceedings of the 2013 International Elephant and Rhino Conservation and Research Symposium, Pittsburgh 2013: 293-319
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 | Daly, B.G.; Greyling, A.; Friedmann, Y.; Downie, S.; Du Toit, R.; E,slie, R.; Eustace, M.; Malan, J.; Nghidinwa, K.; O;Criodain, C; Trendler, K., 2011. Perspectives on dehorning and legalised trade in rhino horn as tools to combat rhino poaching. Proceedings of a workshop assessing legal trade in rhino horn as a tool in combating poaching as well as a detailed assessment of the efficacy of dehorning as a deterrent to poaching. Johannesburg, Endangered Wildlife Trust, pp. 1-56
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 | Downie, S.; Mavrandonis, L., 2011. Thandi's story: an account of a hand-raised black rhino's journey and close encounter between pachyderm and human. Pachyderm Special 50th issue (Pachyderm Past and Present): 14-15
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