@book {309598,
	title = {Ape language: from conditioned response to symbol},
	year = {1986},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	issn = {9780198576518},
	url = {https://books.google.com/books?id=84uPQgAACAAJ},
	author = {Savage-Rumbaugh, E.S.}
}
