@misc{indiciae0b4f5f74123c,
  title = {Electromagnetic diffraction efficiencies for plane reflection diffraction gratings},
  author = {Marathay, A. S. and Shrode, T. E.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740002392},
  note = {Source identifier: 19740002392}
}