@article{11454,
  author = {Roy Garstang},
  title = {Octupole transitions in excitation by electron impact},
  year = {1968},
  journal = {Journal of Physics B: Atomic and Molecular Physics},
  volume = {1},
  pages = {847-849},
  issn = {00223700},
  doi = {10.1088/0022-3700/1/5/311},
}