13. Reference:

http://www.atomate.com/technology/

http://www.raymor.com/?OVRAW=nanotube&OVKEY=nanotube&OVMTC=content

http://www.physorg.com/news894.html

http://www.crnano.org/

http://www.qtechnano.com/

http://www.nanoxtals.com/

http://www.nanovip.com/directory/Nanotubes/index.php

http://www.zyvex.com/nanotech/compNano.html

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