@misc{indiciae269654e95507,
  title = {A high-radiance laser system for lunar ranging},
  author = {Hagen, W. F. and Lehr, C. G. and Monjes, J. A. and Pearlman, M. R. and Wolf, M. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710056220},
  note = {Source identifier: 19710056220}
}