@book{252457,
	author = {Willey, Gordon R.},
	title = {An introduction to American archaeology : volume one North and Middle America},
	publisher = {Prentice Hall},
	year = {1966},
	address = {New Jersey},
	note = {Colección privada de Pedro Krapovickas.  Contents: Introduction. The early Americans. Mesoamerica. The North American Southwest. Eastern North America.Western North America. The Artic and subartic. Summary and perspective.}
}