@misc{indiciaea102be3c18a4,
  title = {Process for manufacturing slit collimators},
  author = {Romanenko, V. P. and Yemelyanov, A. A. and Churbakov, K. I.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740025879},
  note = {Source identifier: 19740025879}
}