![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Robertson, D., 2009. South Africa: the backbone of conservation management. The Horn Spring 2009: 14
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Robertson, D., 2007. South Africa: a rich history of rhino conservation. The Horn Newsletter 2007 Autumn: 10, fig. 1
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Robertson, D., 2007. South Africa: firearms and solar power - fundraising for Hluhluwe. The Horn Newsletter 2007 Autumn: 11, fig. 1
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