@book{82144,
	author = {Quintanilla, Miguel A. ( and Vargas-Machuca Ortega, Ramón.},
	title = {La utopía racional / },
	publisher = {Espasa-Calpe, },
	year = {1989.},
	series = {Espasa mañana. Ensayo},
	address = {Madrid : }
}