http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by A.W. Clifton, G.W. Wilson, S.L. Barbour.
Electronic reproduction. Boulder, Colo. : NetLibrary, 2000. Available via World Wide Web. Access may be limited to NetLibrary affiliated libraries.