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Citations
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de Waal, F. B. M. (2005). How animals do business. Sci Am, 292(4), 54–61.
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de Waal, F. B. (1995). Bonobo sex and society. Sci Am, 272(3), 82–88.
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Seyfarth, R. M., & Cheney, D. L. (2001). Cognitive strategies and the representation of social relations by monkeys. Nebr Symp Motiv, 47, 145–177.
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Beaver, B. V. (1981). Problems & values associated with dominance. Vet Med Small Anim Clin, 76(8), 1129–1131.
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Collery, L. (1974). Observations of equine animals under farm and feral conditions. Equine Vet J, 6(4), 170–173.
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Kiley, M. (1972). The vocalizations of ungulates, their causation and function. Z. Tierpsychol., 31(2), 171–222.
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Seyfarth, R. M., & Cheney, D. L. (2002). What are big brains for? Proc. Natl. Acad. Sci. U.S.A., 99(7), 4141–4142.
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Waran, N. K. (1997). Can studies of feral horse behaviour be used for assessing domestic horse welfare? (Vol. 29).
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Lynch, J. J., Fregin, G. F., Mackie, J. B., & Monroe, R. R. J. (1974). Heart rate changes in the horse to human contact. Psychophysiology, 11(4), 472–478.
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Mori, U. (1979). Ecological and sociological studies of gelada baboons. Inter-unit relationships. Contrib Primatol, 16, 83–92.
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