@misc{indiciaeb9d28b41af4d,
  title = {Precise pointing of space telescope using a quadrant detector},
  author = {Strikwerda, T. E. and Strohbehn, K. and Heyler, G. A.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860061994},
  note = {Source identifier: 19860061994}
}