http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Nuclear Security Administration.
Title from title screen (viewed Mar. 27, 2009).
Mode of access: Internet from the NNSA web site. Address as of 3/4/09: http://nnsa.energy.gov/news/989.htm ; current access available via PURL.
Fact sheet (United States. National Nuclear Security Administration)