http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Aeronautics and Space Administration.
96 pages : illustrations (some color), color maps ; 28 cm.
Now available from the Internet Archive website. Address as of 11/10/1999: http://www.hq.nasa.gov/office/codek/TOC.html; current access via PURL.