http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an international perspective : proceedings of a symposium
sponsored by Divisions C-1, C-4, and A-6 of the Crop Science Society of America in Washington, DC, 14-19 Aug. 1983 ; editorial committee, W.L. Brown [and others].