@book{45906,
	author = {Siebenmann, Gustav},
	title = {Los estilos poéticos en España desde 1900},
	publisher = {Gredos,},
	year = {1973.},
	series = {(Biblioteca Románica Hispánica)},
	address = {Madrid :},
	note = {Versión española de Angel San Miguel.}
}