http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Market information and price reporting in the food and agricultural sector
proceedings of a conference sponsored by North Central Regional Committee 117, Madison, Wis., May 24-25, 1979
[editors, Marvin L. Hayenga, Aaron C. Johnson, Jr., Bruce W. Marion].
North central regional research publication ; 269
Studies of the organization and control of the U.S. food system