@book{3787,
	author = {Alfonso, and Ateneo de Madrid.},
	title = {Costa Rica, paraíso de la paz [},
	publisher = {s.n.], },
	year = {1986.},
	address = {[S.l. : },
	note = {Datos basados en invitación.},
	url = {http://www.ateneodemadrid.net/biblioteca_digital/imagenes/1986/0108-1986.jpg}
}