Clausen, B. 1981. Survey for trypanosomes in black rhinoceros (Diceros bicornis). Journal of Wildlife Diseases 17 (4): 581-586, table 1.
Clausen, B.; Ashford, W.A. 1980. Bacteriologic survey of the black rhinoceros (Diceros bicornis). Journal of Wildlife Diseases 16 (4): 475-480, tables 1-2.






