Walker, C.H. “Boma Management, Construction and Techniques for a Founder Population of Black Rhinos (Diceros Bicornis Minor) As Applied in Lapalala Wilderness, South Africa”. Pachyderm 15, no. 1 (December 30, 1992): 40–45. Accessed July 22, 2024. https://pachydermjournal.org/index.php/pachyderm/article/view/742.