http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
papers presented at the annual meeting of the American Society of Agronomy in Washington, D.C., Nov. 1967
The world food situation and the United States position -- The Federal agencies -- United States resources -- Our air land and water -- A challenge to American colleges and universities -- A.I.D.'s program for the world food problem -- Front Matter
D.C. Smith, editor ; Steven A. Breth, managing editor ; Matthias Stelly, coordinating editor, ASA special publication series.
Madison, Wis. : American Society of Agronomy, 1968