@misc{indiciae4cc0dfbe034d,
  title = {Alinement tool for X-ray image intensifiers},
  author = {Rasmussen, D. and Rietman, J. and Marquis, S.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19770000400},
  note = {Source identifier: 19770000400}
}