@book{8836,
	author = {Quirós Vargas, Claudia.},
	title = {La era de la encomienda /},
	publisher = {Editorial de la Universidad de Costa Rica,},
	year = {1990.},
	series = {Colección Historia de Costa Rica},
	address = {[San José] :},
	url = {http://books.google.com/books?id=WBxrAAAAMAAJ}
}