An atomically resolved image of a chiral nanotube as observed in STM experiments
Taner Yildirim (The National Institute of Standards and Technology - NIST)
<a rel="nofollow" class="external free" href="http://www.ncnr.nist.gov/staff/taner/nanotube/types.html">http://www.ncnr.nist.gov/staff/taner/nanotube/types.html</a>