@book{137995,
	author = {Tyerman, Christopher. and Belza, Cecilia, },
	title = {Las guerras de Dios : },
	publisher = {Crítica, },
	year = {2007.},
	series = {Mayor / Crítica},
	address = {Barcelona, España : },
	note = {Titulo original : God's war : a new history of the Crusades }
}