Vázquez Tatay, Carlos2020-06-102020-06-102015-06https://hdl.handle.net/11441/97677application/pdfspaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/bachelorThesisinfo:eu-repo/semantics/openAccess