@inbook {310454,
	title = {Aspects of transmission of tool-use in wild chimpanzees},
	booktitle = {Tools, language and cognition in human evolution},
	year = {1993},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge, MA},
	author = {Boesch, C. and Gibson, K. R. and Ingold, T.}
}
