http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Advanced mathematics and science coursetaking in the spring high school senior classes of 1982, 1992, and 2004
National Center for Education Statistics
1 volume (various pagings) : digital, PDF file.
Title from title screen (viewed on Oct. 15, 2007).
Mode of access: Internet from the NCES web site. Address as of 10/15/2007: http://nces.ed.gov/pubs2007/2007312.pdf ; current access available via PURL.