http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on Apr. 29, 2009).
Mode of access: Internet from the EPA web site. Address as of 4/29/09: http://www.epa.gov/heatisld/resources/pdf/HIRIbrochure.pdf ; current access available via PURL.