@book{4906,
	author = {Macías Picavea, Ricardo, and Solana, Fermín,},
	title = {El Problema nacional: hechos, causas y remedios /},
	publisher = {Seminarios y Ediciones,},
	year = {cop. 1972},
	series = {Hora H. Ensayos y documentos ;},
	address = {Madrid :}
}