'n Ontleding van die genetiese bydrae van KI-bulle tot die samestelling van die Friesras in Suid-Afrika.
No abstract available. === Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1978.
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Language: | af |
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2014
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Online Access: | http://hdl.handle.net/10413/11260 |