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Author Title Year Publication Serial Volume Pages (down)
Boysen, S.T.; Himes, G.T. Current Issues And Emerging Theories In Animal Cognition 1999 Annual Review of Psychology 2973 50 683-705
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
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
Furlong, E.E.; Boose, K.J.; Boysen, S.T. Raking it in: the impact of enculturation on chimpanzee tool use 2007 Animal Cognition 2398