http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States standards for grades of kale
Title from title screen (viewed on Apr. 1, 2008).
Mode of access: Internet from Webharvest.gov web site. Address as of 4/1/08: http://webharvest.gov/peth04/20041117061657/www.ams.usda.gov/standards/kale.pdf ; current access available via PURL.