@Article{DT218,
  title = {Nanomechanical energy storage in twisted nanotube ropes},
  author = {Teich, David and Fthenakis, Zacharias G. and
            Seifert, Gotthard and Tom\'anek, David},
  journal = {Phys. Rev. Lett.},
  volume = {109},
  issue = {25},
  pages = {255501},
  numpages = {5},
  year = {2012},
  month = {Dec},
  doi = {10.1103/PhysRevLett.109.255501},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.109.255501},
  publisher = {American Physical Society}
}