Hockings KJ. , Bryson-Morrison N, Carvalho S, Fujisawa M, Humle T, McGrew WC. , Nakamura M, Ohashi G, Yamanashi Y, Yamakoshi G, Matsuzawa T (2015) 
Tools to tipple: ethanol ingestion by wild chimpanzees using leaf-sponges
葉っぱを使ってパームワインをのむ野生チンパンジー

Royal Society Open Science, 2: 150150

Hockings KJ. , McLennan MR. , Carvalho S, Ancrenaz M, Bobe R, Byrne RW. , Dunbar RI.M. , Matsuzawa T, McGrew WC. , Williamson EA. , Wilson ML. , Wood B, Wrangham RW. , Hill CM.  (2015) 
Apes in the Anthropocene: flexibility and survival

Trends in Ecology & Evolution, Volume 30, Issue 4, p215-222