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Zeuner Fe,. (1967). Das Pferd. In Zeuner; Geschichte der Haustiere, , 254–287.
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Zeuner Fe,. (1967). Der Halbesel. (pp. 311–316).
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Zeuner Fe,. (1967). Esel und Maultier. (pp. 316–324).
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Zervanos Sm, K. R. (1979). Seasonal home ranges and activity patterns of feral assateague island ponies.
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Zenzinger, S. (2010). Experimentelle Untersuchungen zur optischen Kommunikation bei im Zoo gehaltenen Schabracken- und Flachlandtapiren (Tapirus indicus und Tapirus terrestris). Der Zoologische Garten, 79(4-5), 162–174.
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Zentall, T. R., & Hogan, D. E. (1975). Key pecking in pigeons produced by pairing keylight with inaccessible grain. J Exp Anal Behav, 23(2), 199–206.
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Zentall, T. R., & Hogan, D. E. (1978). Same/different concept learning in the pigeon: the effect of negative instances and prior adaptation to transfer stimuli. J Exp Anal Behav, 30(2), 177–186.
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Zentall, T. R., Weaver, J. E., & Clement, T. S. (2004). Pigeons group time intervals according to their relative duration. Psychon Bull Rev, 11(1), 113–117.
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Zentall, T. R., Sutton, J. E., & Sherburne, L. M. (1996). True imitative learning in pigeons. Psychol Sci, 7.
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Zentall, T. R., Sherburne, L. M., Roper, K. L., & Kraemer, P. J. (1996). Value transfer in a simultaneous discrimination appears to result from within-event pavlovian conditioning. J Exp Psychol Anim Behav Process, 22(1), 68–75.
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