2016-06-072016-06-072011978-84-936406-3-7http://hdl.handle.net/11441/41931application/pdfspaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/sentimientosinfo:eu-repo/semantics/bookinfo:eu-repo/semantics/openAccess