@article{DT245,
  title = {Relative stability and local curvature analysis
           in carbon nanotori},
  author = {Chuang, Chern and Guan, Jie and Witalka, David and
            Zhu, Zhen and Jin, Bih-Yaw and Tom\'anek, David},
  journal = {Phys. Rev. B},
  volume = {91},
  issue = {16},
  pages = {165433},
  numpages = {11},
  year = {2015},
  month = {Apr},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevB.91.165433},
  url = {http://link.aps.org/doi/10.1103/PhysRevB.91.165433}
}