http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bibliography of the soils of the Tropics
"The Agronomy Department of Cornell University arranged for, and Monitored, the preparation of this bibliography."
Agriculture technology for developing countries
Technical series bulletin (United States. Agency for International Development. Office of Agriculture) ; no. 17