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Penzhorn Bl,. (1987). Descriptions of incisors of known – age Cape Mountain Zebras from the Mountain Zebra National park. Onderstepoort J vet Res, 54, 135–141.
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Penzhorn Bl, G. R. (1987). Incisor wear in free – ranging Cape mountain zebras. S Afr J Wildl Res, 17, 99–102.
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Penzhorn Bl, L. P. (1987). Comparisons of reproductive parameters of two Cape mountain zebra populations. J Reprod Fert Suppl, 35, 661–663.
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Penzhorn Bl,. (1985). Reproductive characteristics of a free – ranging population of Cape mountin zebra. J Reprod Fert, 73, 51–57.
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Penzhorn Bl,. (1984). A long – term study of social organisation and bhabiour of Cape mountain zebras. Z. Tierpsychol., 64, 97–146.
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Penzhorn Bl,. (1984). Dental abnormalities in free – ranging Cape mountain zebras. J Wildl Dis, 20, 161–166.
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Penzhorn Bl,. (1984). Observations on mortality of free – ranging Cape mountain zebras. S Afr Wildl Res, 14, 89–90.
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Penzhorn Bl,. (1982). Age determination in the Cape Mountain Zebras in the mountain zebra natinoal park. Koedoe, 25, 89–102.
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Penzhorn Bl,. (1982). Habitat selection by Cape Mountain Zebras in the mountain zebra national park. Afr J Wildl Res, 12, 48–54.
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