http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fifty-sixth Annuela Meeting, December 27-30, 1981. American Assciation for Applied Linguistics Fourth Annual Meeting
Fundación Alfredo Harp Helú Oaxaca Biblioteca de Investigación Juan de Córdova