@book{37588,
	author = {Jerez Pastor, Antonio, and Sociedad Estatal Correos y Telégrafos (Spain)},
	title = {Sellos de España :},
	publisher = {Editorial Verbum,},
	year = {[2007]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/32987/}
}