@book{60317,
	author = {Escofet, José.},
	title = {Grandes exploradores : },
	editor = {Atenas)},
	publisher = {Juventud, },
	year = {1959 (},
	address = {Barcelona : },
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000253110&page=1 }
}