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Author (up) Title Year Publication Serial Volume Pages
Westergaard, G.C.; Liv, C.; Chavanne, T.J.; Suomi, S.J. Token-mediated tool-use by a tufted capuchin monkey (Cebus apella) 1998 Animal Cognition 3152 1 101-106
Westergaard, G.C.; Liv, C.; Rocca, A.M.; Cleveland, A.; Suomi, S.J. Tufted capuchins (Cebus apella) attribute value to foods and tools during voluntary exchanges with humans 2004 Animal Cognition 2562 7 19-24