@inbook {310996,
	title = {Feeding behavior of chimpanzees in Gombe National Park, Tanzania},
	booktitle = {Primate Ecology},
	year = {1977},
	pages = {504-538},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {New York},
	author = {Wrangham, R. W.}
}
