@misc{indiciaeaaa87ca69850,
  title = {Beam alignment techniques based on the current multiplication effect in photoconductors First phase technical summary report},
  author = {Borkowski, R. P. and Grafstein, D. and Samuel, A. H.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660013070},
  note = {Source identifier: 19660013070}
}