@book{66413,
	author = {Sierra, Luis Antonio.},
	title = {Irlanda del Norte :},
	publisher = {Sílex,},
	year = {1999.},
	series = {Periodismo histórico},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/1298/}
}