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Citations
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Lundholm B,. (1951). A skull of the true quagga in the collection of the Tranvaal Museum. S Afr J Sci, 47, 307–312.
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ALTMANN, M. (1951). A study of behaviour in a horse-mule group. Sociometry, 14(4), 351–354.
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Hoffstetter R,. (1951). La structure des incisives infürieuses chez les équides modernes. Importance dans la classification des zébres couaggas. Bull Mus Hist Nat, 22, 684–692.
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Howell Ce, R. W. (1951). Environmental sources of variation in the length of the horse. J Anim Sci, 10, 789–796.
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