@book{12102,
	author = {Elsner, Hildegard. and Cardozo Tovar, César A., },
	title = {Los vikingos / },
	publisher = {Panamericana Editorial, },
	year = {2012.},
	series = {Cómo y por qué},
	address = {Bogotá : },
	edition = {Editor César A. Cardozo Tovar.},
	note = {Incluye índice.}
}