@misc{indiciae2a7d4efaef1a,
  title = {Group theoretical selection rules for electron-impact spectroscopy.},
  author = {Goddard, W. A., III and Cartwright, D. C. and Trajmar, S. and Huestis, D. L.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720028247},
  note = {Source identifier: 19720028247}
}