@inbook {,
	title = {Ecological duality and the role of the center: Northern Potos{\'\i}},
	booktitle = {Andean Ecology and Civilization},
	year = {1985},
	note = {ethnic economies, ethnic strips. individual groups control parallel strips ranging from lowland agriculture to puna grassland},
	pages = {311-335},
	publisher = {University of Tokyo Press},
	organization = {University of Tokyo Press},
	address = {Tokyo},
	keywords = {adaptation ecology altitude verticality domestication pastoralism agriculture camelids tubers},
	author = {Harris, Olivia},
	editor = {Masuda, Shozo and Shimada, Isumi and Morris, Craig}
}