@misc{indiciaea7c1ced348e3,
  title = {Correlation effect and double electron ejection in the photoabsorption process},
  author = {Chang, T. N. and Ishihara, T. and Poe, R. T.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710060931},
  note = {Source identifier: 19710060931}
}