http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Development and spread of semi-dwarf varieties of wheat and rice in the United States
Office of International Cooperation and Development.
xiv, 150 pages : illustrations, maps ; 24 cm.
Prepared in cooperation with U.S. Agency for International Development.
Companion document to Development and spread of high-yielding varieties of wheat and rice in the less developed nations, Foreign agricultural economic report number 95, issued Sept. 1978.
Foreign agricultural economic report ; no. 95