Spala, P.; Hradecky, P. 1993. Preliminary determination of nutritional requirements of the pregnant black rhinoceros (Diceros bicornis). In: Ryder, O.A. 1993. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society. pp. 277-281, tables 1-3.






