xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:fb="http://www.gribuser.ru/xml/fictionbook/2.0" xmlns:fo="http://www.w3.org/1999/XSL/Format" xlink:href="http://www.usatoday.com/tech/news/nano/2004-ll-08-nano-on-the-move_x.htm">http://www.usatoday.com/tech/news/nano/2004-ll-08-nano-on-the-move_x.htm.
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http://sciencentral.com/articles/view.php3?article_id=218392390.
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http://www.trnmag.com/Stories/2004/102004/Mechanical_valve_design_goes_nano_Brief_102004.html.
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http://www.trnmag.eom/Stories/2004/l11704/Nanomechanical_memory_demoed_l11704.html.
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http://www.dailycal.org/article.php?id=17119.174 Section Three Materials and Industries.