Affiliation: | South African National Parks, Endangered Wildlife Trust and Mammal Research Institute, University of Pretoria, Private Bag X402, Skukuza 1350, South Africa;Department of Statistical Sciences, University of Cape Town, Rondebosch 7700, South Africa;Institut fär Statistik und Ökonometrie, Georg-August-Universität, Platz der Göttinger Sieben 5, 37073 Göttingen, Germany |