http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Efficiency of resource use under small-scale irrigation technology in Nigeria
a case study of shadoof and pump in Ringim LGA, Kano, Nigeria
Microfilm. Ann Arbor, Mich. : University Microfilms International, 1983. 1 microfilm reel ; 35 mm.