@misc{indiciaed7b7a05ab4ca,
  title = {Skylab-earth laser-beacon experiment - Results and analysis},
  author = {Bufton, J. L. and Caudill, L. O. and Mcgunigal, T. E. and Piech, K. R.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790063095},
  note = {Source identifier: 19790063095}
}