http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mechanistic process-level crop simulation models for assessment of agricultural systems ... annual report
Agricultural System Competitiveness and Sustainability National Program (U.S.)
ARS National Programs, 5601 Sunnyside Ave., GWCC 4-2154, Beltsville MD 20705