@article{DT225,
  title = {Limits of mechanical energy storage and
           structural changes in twisted carbon nanotube ropes},
  author = {Fthenakis, Zacharias G. and Zhu, Zhen and Teich, David
            and Seifert, Gotthard and Tom\'anek, David},
  journal = {Phys. Rev. B},
  volume = {88},
  issue = {24},
  pages = {245402},
  numpages = {11},
  year = {2013},
  month = {Dec},
  doi = {10.1103/PhysRevB.88.245402},
  url = {http://journals.aps.org/prb/abstract/10.1103/PhysRevB.88.245402}, publisher = {American Physical Society}
}