National Information Standards Organization (Estados Unidos)2013-06-112013-06-112013-04-26978-1-937522-18-6https://hdl.handle.net/10421/7101enhttp://creativecommons.org/licenses/by-nc-nd/4.0/NISO RP-21 : Improving OpenURLs Through Analytics (IOTA) : recommendations for link resolver providersTextRecursos electrónicosArchivos abiertos