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SchäFer M,. (1971). Das Sorraiapferd; Anmerkungen zur Problematik des SPEED – EBHARDT'schen Typs III. Säugetierk Mitt, 19, 231–249.
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Menzel, E. W. J. (1971). Communication about the environment in a group of young chimpanzees. Folia Primatol (Basel), 15(3), 220–232.
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Dorzh, C., & Minar, J. (1971). Warble flies of the families Oestridae and Gasterophilidae (Diptera) found in the Mongolian People's Republic. Folia Parasitol (Praha), 18(2), 161–164.
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Stout, I. J., Clifford, C. M., Keirans, J. E., & Portman, R. W. (1971). Dermacentor variabilis (Say) (Acarina: Ixodidae) established in southeastern Washington and northern Idaho. J Med Entomol, 8(2), 143–147.
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Weik, H., & Altmann, H. J. (1971). [Behavior of blood lipids during fasting in the horse]. Zentralbl Veterinarmed A, 18(2), 131–138.
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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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McClearn, G. E. (1971). Behavioral genetics. Behav Sci, 16(1), 64–81.
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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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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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Trivers, R. L. (1971). The evolution of reciprocal altruism. Quart Rev Biol, 46(1), 35–57.
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