@book{76827,
	author = {Laliena Corbera, Carlos},
	title = {Siervos medievales de Aragón y Navarra en los siglos XI-XIII},
	publisher = {Prensas Universitarias de Zaragoza, },
	year = {2012},
	series = {Ciencias sociales},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/42800}
}