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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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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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ALTMANN, M. (1951). A study of behaviour in a horse-mule group. Sociometry, 14(4), 351–354.
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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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Alexander, F., & Benzie, D. (1951). A radiological study of the digestive tract of the foal. Q J Exp Physiol Cogn Med Sci, 36(4), 213–217.
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Rzasnicki A,. (1951). Zebras and quaggas. Ann Mus Zool Polonica, 16, 203–252.
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Rosenzweig, M. R. (1951). Representations of the Two Ears at the Auditory Cortex. American Journal of Physiology -- Legacy Content, 167(1), 147–158.
Abstract: This investigation is part of a more general study of binaural perception and
its electrophysiological correlates. In order to account for some of the
phenomena of binaural perception, Boring (I) proposed that the two ears
are represented at the auditory cortex by two different populations of cortical units.
We have attempted to test this hypothesis, taking up two aspects in succession:
I) Do the populations of cortical units that represent the two ears differ in
size at the two cerebral hemispheres?S timulation of either ear evokes electrophysiological
responseso ver the entire extent of the auditory cortex of both hemispheres.
It has been suggestedt hat the responsesa re larger in amplitude at the hemisphere
contralateral to the ear stimulated (2-4), but this has also been denied (5). We will
present quantitative evidence to show that at both hemispheres the response of
the contralateral ear is significantly larger than the response of the ipsilateral ear.3
2> Are the two ears represented by independent populations of cortical units,
or are they represented by overlapping populations of cortical units? Results from
a small number of experiments indicate that the two populations overlap considerably.
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Menzies Ji,. (1951). Man and the zebra. Oryx, 1, 127–133.
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Verheyen J,. (1951). Equus quagga Böhmi. Etude Ethol Mammifüres Parc Nat L'Upemba, 98, 102.
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Verheyen R,. (1951). Contribution l'Etude Ethologique des Mammifüres du Parc National de L'Upemba (Eqqus quagga boehmi Matschie). Inst Nat Parks Belgisch – Kongo, 98, 102.
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