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Alexander, F., & Davies, M. E. (1969). Studies on vitamin B12 in the horse. Br. Vet. J., 125(4), 169–176.
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Rashek Va,. (1969). Some of features of onager behaviour. Tans Moscow Soc Nat, 35.
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Rashek Va,. (1969). Some features of onager behaviour. Transactions Moskow Soc Natural, 35, 21–38.
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Alexander, B. K., & Bowers, J. M. (1969). Social organization of a troop of Japanese monkeys in a two-acre enclosure. Folia Primatol (Basel), 10(3), 230–242.
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Hanson, R. P., & Trainer, D. O. (1969). Significance of changing ecology on the epidemiology of arboviruses in the United States. Proc Annu Meet U S Anim Health Assoc, 73, 291–294.
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Collery L,. (1969). Sexual and social behaviour of the Connemara pony. Br Vet J, 125, 151–152.
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Halford, G.S., & Halford, J. M.. (1969). Secondary reinforcement: signal or substitute reward? A preliminary investigation. Aus. J. Psychol, .
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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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Lanzetta, J. T., & Hannah, T. E. (1969). Reinforcing behavior of “naive” trainers. Journal of Personality and Social Psychology, 11(3), 245–252.
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Raveling, D. G. (1969). Preflight and flight behaviour of Canada geese. Auk, 86, 671–681.
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