@book {492,
	title = {Hierarchy in the Forest: The Evolution of Egalitarian Behavior},
	year = {2009},
	publisher = {Harvard University Press},
	organization = {Harvard University Press},
	isbn = {9780674028449},
	url = {https://books.google.com/books?id=ljxS8gUlgqgC},
	author = {Boehm, C. and Boehm, C.}
}
