http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improvement of a population of maize (Zea mays L.) for Pakistan
Microfiche. Ann Arbor, Mich. : University Microfilms International, 1982. 2 microfiches ; 11 x 15 cm.