@Article{DT134,
  title = {Effect of van der Waals Interactions on the Raman Modes
           in Single Walled Carbon Nanotubes},
  author = {Rao, A. M. and Chen, J. and Richter, E. and
            Schlecht, U. and Eklund, P. C. and Haddon, R. C. and
            Venkateswaran, U. D. and Kwon, Y.-K. and Tomanek, D.},
  journal = {Phys. Rev. Lett.},
  volume = {86},
  number = {17},
  pages = {3895--3898},
  year = {2001},
  month = {Apr},
  url = {http://dx.doi.org/10.1103/PhysRevLett.86.3895},
  doi = {10.1103/PhysRevLett.86.3895},
  publisher = {American Physical Society}
}