| Gakahu, C.G., 1993. African rhinos: current numbers and distribution: pp. 161-165, figs. 1-4, tables 1-2
| In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368 |
|
|
| Gakahu, C.G., 1991. African rhinoceroses: challenges continue in the 1990s. Pachyderm 14: 42-45, figs. 1-4, table 1
|
|
|