@Article{DT226,
  title = {Topologically Protected Conduction State at Carbon Foam
           Surfaces: An <i>Ab initio</i> Study},
  author = {Zhu, Zhen and Fthenakis, Zacharias G. and Guan, Jie and
            Tom\'anek, David},
  journal = {Phys. Rev. Lett.},
  volume = {112},
  issue = {2},
  pages = {026803},
  numpages = {5},
  year = {2014},
  month = {Jan},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevLett.112.026803},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.112.026803}
}