@article{1327681,
  author = {Cedric Powell},
  title = {Cross Sections for Ionization of Inner-shell Electrons by Electrons},
  year = {1976},
  number = {48},
  month = {1976-01-01 00:01:00},
  publisher = {Reviews of Modern Physics},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620103},
  language = {en},
}