@misc{indiciae2acd7e3dede7,
  title = {Retrodirective modulator Patent},
  author = {Fitzmaurice, M. W. and Minott, P. O.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710006130},
  note = {Source identifier: 19710006130}
}