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Author (up) Title Year Publication Serial Volume Pages
Biro, D.; Inoue-Nakamura, N.; Tonooka, R.; Yamakoshi, G.; Sousa, C.; Matsuzawa, T. Cultural innovation and transmission of tool use in wild chimpanzees: evidence from field experiments 2003 Animal Cognition 2560 6 213-223
Gajdon, G.K.; Fijn, N.; Huber, L. Limited spread of innovation in a wild parrot, the kea (Nestor notabilis) 2006 Animal Cognition 2472 9 173-181