http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
corn yield model for a cerrado soil in Brazil with less than 10 years of cultivation
Microfiche. Ann Arbor, MI : University Microfilms International, 1985. 2 microfiches ; 11 x 15 cm.