@misc{indiciaebc1ab1db6f4d,
  title = {Photon induced secondary electron emission},
  author = {Spencer, R. B. and Smith, C. B. and Mcgrath, E. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720010058},
  note = {Source identifier: 19720010058}
}