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Blendinger, W. (1971). Psychologie und Verhaltensweise des Pferdes.
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Saayman, G. S. (1971). Behaviour of the adult males in a troop of free-ranging Chacma baboons (Papio ursinus). Folia Primatol (Basel), 15(1), 36–57.
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Bell, R. H. V. (1971). A grazing ecosystem in the Serengeti. Sci Am, 225(1), 86–93.
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Briand Petersen, J. C., & Casebeer, R. L. (1971). A bibliography relating to the ecology and energetics of East African large mammals. E. Afr. Wildl. J., 9, 1–23.
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Feist, J. D. (1971). Behavior of feral horses in the Pryor Mountain Wild Horse Range. Master's thesis, , University of Michigan.
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Maloiy, G. M., & Boarer, C. D. (1971). Response of the Somali donkey to dehydration: hematological changes. Am J Physiol, 221(1), 37–41.
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Trivers, R. L. (1971). The evolution of reciprocal altruism. Quart Rev Biol, 46(1), 35–57.
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Vaerman, J. P., Querinjean, P., & Heremans, J. F. (1971). Studies on the IgA System of the Horse. Immunol., (21), 443.
Abstract: Equine serum and secretions were found to contain a protein which
cross-reacted with an antiserum against human IgA, but not with antisera against
any other human immunoglobulin. The physicochemical properties of equint
IgA resembled those of human IgA. IgA was found to be the immunoglobulin
having the highest secretion vs serum concentration ratio in equine lacteal and salivary
secretions, and to be the protein produced by the majority of immunoglobulin-
containing cells in the lamina propria of the equine intestine.
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Gardner, E. L., & Engel, D. R. (1971). Imitational and social facilitatory aspects of observational learning in the laboratory rat. Psychon. Sci., 25(1), 5–6.
Abstract: Rats acquired a food-motivated leverpressing response by “observational learning” or by trial-and-error learning under conditions of social facilitation or isolation. Both the observational learning and social facilitation Ss learned faster than did the isolated trial-and-error Ss. There was no difference in speed of learning between the observational learning and social facilitation groups. It is suggested that some previous studies purporting to demonstrate observational learning may have demonstrated socially facilitated trial-and-error learning instead.
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