@book{185260,
	author = {Mayer, Hans},
	title = {Historia de las cruzadas},
	publisher = {Istmo},
	year = {c(2001).},
	series = {Colección Fundamentos / Istmo},
	address = {(Madrid,España)},
	note = {Translation of: Geschichte der Kreuzzüge , c 1965.}
}