@book{157404,
	author = {Buitrago Ortiz, Carlos},
	title = {Esperanza ;},
	publisher = {Published for the Wenner Gren Foundation for Anthropological Research [by] University of Arizona Press,},
	year = {1973.},
	series = {[Viking Fund publications in anthropology, no 51]},
	address = {Tucson :}
}