http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from home page last updated June 29, 2004 (viewed on July 14, 2004).
Mode of access: Internet from the ERS web site. Address as of 07/14/04: http://www.ers.usda.gov/data/foodsecurity/cps/; current access is available via PURL.