@misc{indiciaef5aa9785128e,
  title = {Beam alignment techniques based on the current multiplication effect in photoconductors Third summary technical progress report, 15 Nov. 1966 - 15 Oct. 1967},
  author = {Allan, F. V. and Carvalho, R. and Ellis, C. B. and Grafstein, D. and Samuel, A. H. and Scanlon, J. H.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680009660},
  note = {Source identifier: 19680009660}
}