Kopij, Grzegorz. 2013. “Seasonal and Altitudinal Variations in an Avian Assemblage in an Inselberg <i>Olea-Buddleia</i> Vegetation in the Dry <i>Cymbopogon-Themeda</i> Grassveld, South Africa”. Biodiversity Observations, December, 158-67. https://journals.uct.ac.za/index.php/BO/article/view/178.