http://www.devicelink.com/mpb/archive/97/03/003.html
http://www.fitec.co.jp/ftm/nt-e/appli/index.htm
http://www.memory-metalle.de/sma.html
http://spaceflight.nasa.gov/shuttle/benefits/golf.html
http://www.amtbe.com/useof/applicat3.html
http://www.raychem.com
http://www.sma-inc.com