@misc{indiciae2858604a6a55,
  title = {Spatial acquisition and tracking for deep-space optical communication packages},
  author = {Chen, Chien-Chung and Jeganathan, Muthu and Lesh, James R.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930034948},
  note = {Source identifier: 19930034948}
}