@Article{DT116,
  title = {Effect of intertube coupling on the electronic structure
           of carbon nanotube ropes},
  author = {Kwon, Young-Kyun and Saito, Susumu and Tomanek, David},
  journal = {Phys. Rev. B},
  volume = {58},
  number = {20},
  pages = {R13314--R13317},
  year = {1998},
  month = {Nov},
  url = {http://dx.doi.org/10.1103/PhysRevB.58.R13314},
  doi = {10.1103/PhysRevB.58.R13314},
  publisher = {American Physical Society} }