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Vom Breitmaul- und Spitzmaul-Nashorn (ceratotherium simum und Diceros bicornis) in Suedwestafrika
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Rookmaaker, L.C. 2020. Twenty years of literature on the rhinoceros 2000-2019. Extracted from the Rhino Resource Center (RRC). Rhino Resource Center. pp. 1-346 [unpublished].