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Yamada, T., Rojanasuphot, S., Takagi, M., Wungkobkiat, S., & Hirota, T. (1971). Studies on an epidemic of Japanese encephalitis in the northern region of Thailand in 1969 and 1970. Biken J, 14(3), 267–296.
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Hassenberg L,. (1971). Verhalten bei Einhufern. Die Neue Brehmbücherei, 427.
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Hechler B,. (1971). Beitrag zur Etholgie des Islandpferdes.
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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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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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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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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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Vaerman, J. P., Querinjean, P., & Heremans, J. F. (1971). Studies on the IgA System of the Horse. Immunol., (21), 443.
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Epstein H,. (1971). Wild Ass. In Epstein: The origin of the domestic animals of Africa. II, , 378–381.
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Epstein H,. (1971). Descent and origin of the ass. (pp. 394–398).
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