@misc{indiciaefe4a4d58f3c7,
  title = {Conically scanned lidar telescope using holographic optical elements},
  author = {Schwemmer, Geary K. and Wilkerson, Thomas D.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920021806},
  note = {Source identifier: 19920021806}
}