http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Land use planning techniques and policies
sponsored by Divisions S-5, S-6, A-1, and A-2 of the Soil Science Society of America and the American Society of Agronomy in Atlanta, Georgia, 29 Nov.-3 Dec. 1981.