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Date: 2017-10-03 11:09:06 | Journal of Experimental Psychology: Animal Behavior Processes 2009, Vol. 35, No. 1, 108 –115 © 2009 American Psychological Association/$12.00 DOI: a0012621Add to Reading ListSource URL: pigeon.psy.tufts.eduDownload Document from Source WebsiteFile Size: 158,41 KBShare Document on Facebook |