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  Author Title Year Publication (up) Serial Volume Pages Links
Beran, M.J.; Beran, M.M.; Harris, E.H.; Washburn, D.A. Ordinal judgments and summation of nonvisible sets of food items by two chimpanzees and a rhesus macaque 2005 Journal of Experimental Psychology. Animal Behavior Processes 2766 31 351-362 details   doi
Beran, M.J.; Pate, J.L.; Washburn, D.A.; Rumbaugh, D.M. Sequential responding and planning in chimpanzees (Pan troglodytes) and rhesus macaques (Macaca mulatta) 2004 Journal of Experimental Psychology. Animal Behavior Processes 2767 30 203-212 details   doi
Boysen, S.T.; Bernston, G.G.; Hannan, M.B.; Cacioppo, J.T. Quantity-based interference and symbolic representations in chimpanzees (Pan troglodytes) 1996 Journal of Experimental Psychology. Animal Behavior Processes 2781 22 76-86 details   openurl
Boysen, S.T.; Berntson, G.G. Responses to quantity: perceptual versus cognitive mechanisms in chimpanzees (Pan troglodytes) 1995 Journal of Experimental Psychology. Animal Behavior Processes 2783 21 82-86 details   openurl
Rumbaugh, D.M.; Savage-Rumbaugh, S.; Hegel, M.T. Summation in the chimpanzee (Pan troglodytes) 1987 Journal of Experimental Psychology. Animal Behavior Processes 2785 13 107-115 details   openurl
Beck, B.B. Chimpocentrism: Bias in cognitive ethology 1982 Journal of Human Evolution 4414 11 3-17 details   doi
Davies, R.B.; Clark, G.G. Trypanosomes from elk and horse flies in New Mexico 1974 Journal of Wildlife Diseases 2709 10 63-65 details   openurl
Zucca, P.; Baciadonna, L.; Masci, S.; Mariscoli, M. Illness as a source of variation of laterality in lions (Panthera leo) 2010 Laterality 5372 16 356-366 details   doi
de Waal, F.B.M. A century of getting to know the chimpanzee 2005 Nature 162 437 56-59 details   doi
Whiten, A.; Horner, V.; de Waal, F.B.M. Conformity to cultural norms of tool use in chimpanzees 2005 Nature 163 437 737-740 details   doi
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