@book{533100,
	author = {Del Barrio, E. and et al.},
	title = {The Active Ageing Index: A tool to develop the strategy of active ageing in the Basque Country (Spain). En: Building evidence for active ageing policies. Active ageing index and its potential  },
	publisher = {Palgrave MacMillan},
	year = {2018},
	address = {Londres},
	url = {http://www.siis.net/documentos/Path/533100.pdf}
}