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Bell, F. R. (1972). Sleep in the larger domesticated animals. Proc R Soc Med, 65(2), 176–177.
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Amsterdam BK. (1972). Mirror self-image reactions before age two. Dev. Psychol., 5, 297.
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Zentall TR, & Levine JM. (1972). Observational learning and social facilitation in the rat. Science, 178, 1220.
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Bottoms, G. D., Roesel, O. F., Rausch, F. D., & Akins, E. L. (1972). Circadian variation in plasma cortisol and corticosterone in pigs and mares. Am J Vet Res, 33(4), 785–790.
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Rumbaugh, D. M., Riesen, A. H., & Wright, S. C. (1972). Creative responsiveness to objects: a report of a pilot study with young apes. Folia Primatol (Basel), 17(5), 397–403.
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Nelder, J. A., & Wedderburn, R. W. M. (1972). Generalized Linear Models (Vol. 135).
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Rowell, T. E. (1972). Social Behavior of Monkeys.
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