@misc{indiciae7720d66a7d3e,
  title = {Test method for telescopes using a point source at a finite distance},
  author = {Griner, D. B. and Zissa, D. E. and Korsch, D.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860004564},
  note = {Source identifier: 19860004564}
}