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Rayburn-Reeves, R. ., & Zentall, T. . (2009). Animal memory: the contribution of generalization decrement to delayed conditional discrimination retention functions. Learning & Behavior, 37(4), 299-304. https://doi.org/10.3758/LB.37.4.299 (Original work published 2009)

Akins, C. ., Klein, E. ., & Zentall, T. . (2002). Imitative learning in Japanese quail (Coturnix japonica) using the bidirectional control procedure. Animal Learning & Behavior, 30(3), 275-81. https://doi.org/10.3758/bf03192836

Rayburn-Reeves, R. ., Miller, H. ., & Zentall, T. . (2010). "Counting" by pigeons: discrimination of the number of biologically relevant sequential events. Learning & Behavior, 38(2), 169-76. https://doi.org/10.3758/LB.38.2.169 (Original work published 2010)

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Zentall, T. ., & Stagner, J. . (2010). Pigeons prefer conditional stimuli over their absence: a comment on Roberts et al. (2009). Journal of Experimental Psychology. Animal Behavior Processes, 36(4), 506-9. https://doi.org/10.1037/a0020202 (Original work published 2010)