@book{11249,
	author = {Bienkowska, Bárbara, and Herbst, Stanislaw},
	title = {Nicolás Copérnico :},
	publisher = {Siglo Ventiuno,},
	year = {1973.},
	address = {Buenos Aires, Argentina :},
	note = {Incluye notas al pie de las páginas.}
}