@misc{indiciae43f6bf160469,
  title = {Beam alignment techniques based on the current enhancement effect in photoconductors Final technical report, 15 Oct. 1967 - 15 Jun. 1968},
  author = {Ellis, C. B.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680024605},
  note = {Source identifier: 19680024605}
}