http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Unofficial LEGO MINDSTORMS NXT 2.0 Inventor's Guide, 2nd Edition
The Unofficial LEGO® MINDSTORMS® NXT 2.0 Inventor's Guide helps you to harness the capabilities of the NXT set and effectively plan, build, and program NXT 2.0 robots.
Electronic reproduction. Boston, MA : Safari, Available via World Wide Web. 2010.