@misc{indiciaed7a1426c0e9b,
  title = {Method and apparatus for measuring distance},
  author = {Lichtenberg, Christopher L. and Shores, Paul W. and Kobayashi, Herbert S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880017184},
  note = {Source identifier: 19880017184}
}