@book{230108,
	author = {Cavallaro, Maria Elena.},
	title = {Los orígenes de la integración de España en Europa :},
	publisher = {Sílex,},
	year = {2009.},
	series = {Serie Historia contemporánea},
	address = {Madrid :},
	url = {https://www.digitaliapublishing.com/a/1267/}
}