http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improving the productivity and sustainability of rice-wheat systems
issues and impacts : proceedings of an international symposium cosponsored by Division A-6 (International Agronomy), the International Rice Research Institute (IRRI), and Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), held at the 2001 Annual Meetings of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Charlotte, NC, 22 Oct. 2001
International Maize and Wheat Improvement Center