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Author (up) Title Year Publication Serial Volume Pages
Assersohn, C.; Whiten, A.; Kiwede, Z.T.; Tinka, J.; Karamagi, J. Use of leaves to inspect ectoparasites in wild chimpanzees: a third cultural variant? 2004 Primates 733 45 255-258
Chappell, J.; Kacelnik, A. Selection of tool diameter by New Caledonian crows Corvus moneduloides 2004 Animal Cognition 2528 7 121-127
Hunt, G.R.; Gray, R.D. Direct observations of pandanus-tool manufacture and use by a New Caledonian crow (Corvus moneduloides) 2004 Animal Cognition 2529 7 114-120