http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Park Service comprehensive survey of the American public
Title from title screen (viewed on June 6, 2004).
Title from title screen (viewed June 6, 2004).
Mode of access: Internet via the NPS Web site. Address as of 06/04/04: http://www.nature.nps.gov/socialscience/docs/NER%5FTech%5FRep.pdf ; current access is available via PURL.