Penny, S. G., R. L. White, D. MacTavish, L. MacTavish, D. M. Scott, and A. D. Pernetta. “Does Dehorning Lead to a Change in Inter-Calf Intervals in Free-Ranging White Rhinoceros?”. Pachyderm, vol. 61, Oct. 2020, pp. 191-3, doi:10.69649/pachyderm.v61i.13.