http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NOAA observing systems architecture (NOSA)
National Environmental Satellite, Data, and Information Service.
map generated by the National Geophysical Data Center.
Title from HTML home page (viewed on June 5, 2008).
Mode of access: Internet from the NOAA NGDC web site. Address as of 6/5/08: http://map.ngdc.noaa.gov/website/nosa/viewer.htm ; current access via PURL.