 | Kock, N.D.; Morton, D.; Kock, M.D., 1991. Reproductive parameters in free-ranging female black rhinoceroses (Diceros bicornis) in Zimbabwe. Onderstepoort Journal of veterinary Research 58 (1): 55-57, tables 1-2
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 | Morton, D.J.; Kock, N., 1990. Some properties of pineal gland hydroxyindole-0-Methyltransferase from black rhinoceros (Diceros bicornis). Journal of Pineal Research 8 (1): 35-40, figs. 1-4
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