@misc{indiciae98f8b4d3ce5d,
  title = {CCD sensors for interplanetary spacecraft navigation and pointing control},
  author = {Eisenman, A. R. and Armstrong, R. W.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810048479},
  note = {Source identifier: 19810048479}
}