@book{233445,
	author = {Ferrer Vanrell, M. Pilar,},
	title = {La relación obligatoria /},
	publisher = {Dykinson S.L.,},
	year = {[2010]},
	series = {Cuadernos prácticos Bolonia. Obligaciones y contratos ;},
	address = {Madrid :},
	url = {https://www.digitaliapublishing.com/a/13765/}
}