@Article{DT154,
  title = {Magnetism in All-Carbon Nanostructures with
           Negative Gaussian Curvature},
  author = {Park, Noejung and Yoon, Mina and Berber, Savas and
            Ihm, Jisoon and Osawa, Eiji and Tomanek, David },
  journal = {Phys. Rev. Lett.},
  volume = {91},
  number = {23},
  pages = {237204},
  year = {2003},
  month = {Dec},
  url = {http://dx.doi.org/10.1103/PhysRevLett.91.237204},
  doi = {10.1103/PhysRevLett.91.237204},
  publisher = {American Physical Society}
}