@misc{indiciae63dac99b60f1,
  title = {Lens collimation and testing using a Twyman-Green interferometer with a self-pumped phase-conjugating mirror},
  author = {Howes, W. L.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860044542},
  note = {Source identifier: 19860044542}
}