http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Introducción a los contratos tecnológicos
Gastón Behar Quiñones, Agustín Yáñez Figueroa.
Information storage and retrieval systems
Guadalajara : ITESO, Universidad Jesuita de Guadalajara, 2014