@article{11115,
  author = {Roy Garstang},
  title = {Forbidden Transitions in Excitation by Electron Impact},
  year = {1966},
  journal = {The Journal of Chemical Physics},
  volume = {44},
  pages = {1308},
  month = {Jan-01-1966},
  issn = {00219606},
  doi = {10.1063/1.1726829},
}