http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the 12 International Clay Conference : Bahía Blanca, Argentina, July 22-28, 2001
International Clay Conference 2001 : Universidad Nacional del Sur)
editors, Eduardo A. Domínguez, Graciela R. Mas, Fernanda Cravero.