@misc{indiciae80f0a1bc75dd,
  title = {Feasibility of a 30-meter space based laser transmitter},
  author = {Berggren, R. R. and Lenertz, G. E.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760004333},
  note = {Source identifier: 19760004333}
}