@article{9578,
  author = {E. Enemark and Alan Gallagher},
  title = {Electron Excitation of the Sodium D Lines},
  year = {1972},
  journal = {Physical Review A},
  volume = {6},
  pages = {192-205},
  month = {Jan-07-1972},
  issn = {0556-2791},
  doi = {10.1103/PhysRevA.6.192},
}