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Author (up) Title Year Publication Serial Volume Pages
Brosnan, S.F.; de Waal, F.B.M. Socially learned preferences for differentially rewarded tokens in the brown capuchin monkey (Cebus apella) 2004 Journal of comparative psychology (Washington, D.C. : 1983) 173 118 133-139
Brosnan, S.F.; De Waal, F.B.M. Monkeys reject unequal pay 2003 Nature 179 425 297-299
Brosnan, S.F.; Freeman, C.; De Waal, F.B.M. Partner's behavior, not reward distribution, determines success in an unequal cooperative task in capuchin monkeys 2006 American journal of primatology 160 68 713-724
Clement, T.S.; Feltus, J.R.; Kaiser, D.H.; Zentall, T.R. “Work ethic” in pigeons: reward value is directly related to the effort or time required to obtain the reward 2000 Psychonomic bulletin & review 248 7 100-106