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Author  |
Title | Year | Publication | Serial | Volume | Pages |
|---|---|---|---|---|---|---|
| Sugiyama Y | Tool use by wild chimpanzees | 1994 | Nature | 3041 | 376 | 327 |
| Sugiyama Y; Koman J; Bhoye Show M | Ant-catching wands of wild chimpanzees at Bossou, Guinea | 1988 | Folia Primatol. | 3042 | 51 | 56 |
| Yamakoshi G; Sugiyama Y | Pestle-pounding behavior of wild chimpanzees at Bossou, Guinea: a newly observed tool-using behavior | 1995 | Primates | 3052 | 36 | 489 |