@book{24063,
	author = {Delgado Gomez-Escalonilla, Lorenzo.},
	title = {Imperio de papel :},
	publisher = {Consejo Superior de Investigaciones Científicas,},
	year = {1992.},
	series = {Biblioteca de historia ;},
	address = {Madrid :},
	url = {www.firstsearch.oclc.org/fsip}
}