2015-02-272015-02-2720131697-5200http://webs.uvigo.es/reined/ojs/index.php/reined/article/viewFile/697/279http://hdl.handle.net/11441/22950spaAtribución-NoComercial-SinDerivadas 4.0 Españahttp://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccesshttps://idus.us.es/xmlui/handle/11441/22950