@misc{indiciae84ff34c011c2,
  title = {Combining ray-trace and diffraction analysis: A design example},
  author = {Milster, Tom D. and Treptau, Jeffrey P.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930006322},
  note = {Source identifier: 19930006322}
}