@misc{indiciae55cc980e52f1,
  title = {Mars laser altimeter based on a single photon ranging technique},
  author = {Prochazka, Ivan and Hamal, Karel and Sopko, B. and Pershin, S.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940011146},
  note = {Source identifier: 19940011146}
}