@Article{DT052,
  title = {Collective plasmon excitations in C$_{60}$ clusters},
  author = {Bertsch, George F. and Bulgac, Aurel and
           Tomanek, David and Wang, Yang },
  journal = {Phys. Rev. Lett.},
  volume = {67},
  number = {19},
  pages = {2690--2693},
  year = {1991},
  month = {Nov},
  url = {http://dx.doi.org/10.1103/PhysRevLett.67.2690},
  doi = {10.1103/PhysRevLett.67.2690},
  publisher = {American Physical Society}
}