Galli, N., and J. Flamand. “Darting and Marking Black Rhinoceros on Foot: Part of a Monitoring and Population Estimation Technique in Hluhluwe-Umfolozi Park, South Africa”. Pachyderm, vol. 20, no. 1, Dec. 1995, pp. 33-38, https://pachydermjournal.org/index.php/pachyderm/article/view/823.