Radcliffe, R., Bommarito, M. and Osofsky, S. (1996) “Ultrasonography as a tool in the conservation of the black rhinoceros: ex situ and in situ applications”, Pachyderm, 21(1), pp. 55–59. Available at: https://pachydermjournal.org/index.php/pachyderm/article/view/843 (Accessed: 3 July 2024).