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Shalaby, A. M. (1969). Host-preference observations on Anopheles culicifacies (Diptera: Culicidae) in Gujarat State, India. Ann Entomol Soc Am, 62(6), 1270–1273.
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Klingel H,. (1969). Dauerhafte Sozialverbände beim Bergzebra. Z. Tierpsychol., 26, 965–966.
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Sambraus, H. H. (1969). Das soziale Lecken des Rindes. Z. Tierpsychol., 26(7), 805–810.
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Raveling, D. G. (1969). Preflight and flight behaviour of Canada geese. Auk, 86, 671–681.
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Hinde, R. A. (1969). Analyzing the roles of the partners in a behavioral interaction--mother-infant relations in rhesus macaques. Ann N Y Acad Sci, 159(3), 651–667.
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ROPIHA RT et al,. (1969). The duration of pregnancy in thoroughbred mares. Vet Rec, 84, 552–555.
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Judge, N. G. (1969). Transport of horses. Aust Vet J, 45(10), 465–469.
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Holbrook, A. A. (1969). Biology of equine piroplasmosis. J Am Vet Med Assoc, 155(2), 453–454.
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Klingel H,. (1969). Reproduction in the Plains Zebra, Equus burchelli boehmi: Behaviour and Ecological Factors. J Reprod Fert Suppl, 6, 339–345.
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Klingel H,. (1969). Zur Soziologie der Grevy. Zoolog Anzeiger Suppl, 33, 311–316.
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