http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Latest issue consulted: Volume 3, number 1 (1st quarter 1990).
Robotics today (Dearborn, Mich. : 1988 : Online)
Society of Manufacturing Engineers, One SME Drive, P.O. Box 930, Dearborn, MI 48121