@book{507108,
	author = {Mastrogiacomo, M. and Belloni, M.},
	title = {Becoming self-employed at ages 50+: true entrepreneurship or exclusion from (wage-)employment? En: Ageing in Europe. Supporting policies for an inclusive society},
	publisher = {Walter de Gruyter},
	year = {2015},
	address = {Berlín},
	url = {http://www.siis.net/documentos/ficha/507108.pdf}
}