@misc{indiciaed3d9a38645a1,
  title = {Rule-based estimation and control of formation flying spacecraft},
  author = {Hadaegh, F. Y. and Kang, B. and Scharf, D. P.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060031949},
  note = {Source identifier: 20060031949}
}