@book{171616,
	author = {Carmagnani, Marcello and Blanco, Félix,},
	title = {Formación y crisis de un sistema feudal},
	publisher = {Siglo Veintiuno Editores,},
	year = {1976},
	series = {Historia},
	address = {México :},
	edition = {3a ed.},
	note = { }
}