@article{7006,
  author = {F. Roussel and P. Breger and G Spiess and C Manus and Sydney Geltman},
  title = {Evidence of super-elastic effects in laser-induced ionisation of Na vapour},
  year = {1980},
  journal = {Journal of Physics B: Atomic and Molecular Physics},
  volume = {13},
  pages = {L631 - L636},
  month = {Feb-11-1981},
  issn = {0022-3700},
  doi = {10.1088/0022-3700/13/21/002},
}