@book{231808,
	author = {Calvo Vérgez, Juan, and Merino Jara, Isaac,},
	title = {Mutualidades de previsión social :},
	publisher = {Dykinson,},
	year = {[2009]},
	series = {Colección Fiscalidad ;},
	address = {Madrid :},
	url = {https://www.digitaliapublishing.com/a/7799/}
}