@book{29643,
	author = {Ballesteros Gaibrois, Manuel,},
	title = {Cristóbal Colón / },
	editor = {Gráficas Uguina)},
	publisher = {Editora Nacional, },
	year = {1943 (},
	series = {Breviarios del pensamiento español},
	address = {Madrid : }
}