Randle, H.D.

Randle, H.D.; Kiley-Worthington, M. 2004. Implications of semi-intensive management for the breeding of black rhinoceros. International Zoo News 51 (5): 266-280, figs. 1-4, tables 1-4.

Randle, H.D.; Kiley-Worthington, M. 2000. An example of changing management to facilitate successful breeding in a group of semi-intensively kept black rhino (Diceros bicornis). Proceedings of the 2nd Annual Symposium on Zoo Research, 6-7 July 2000, Paignton Zoo: pp. 73-82.

Randle, H.D.; Kiley-Worthington, M. 1997. Implications of semi-intensive management on the breeding of black rhino (Diceros bicornis). Okehampton, Eco Research Centre (Occasional Paper no. 004). pp. i, 1-28.