@misc{indiciaecf518570be8d,
  title = {Decentralized and self-centered estimation architecture for formation flying of spacecraft},
  author = {Kang, B. H. and Hadaegh, F. Y. and Scharf, D. P. and Ke, N. -P.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060032037},
  note = {Source identifier: 20060032037}
}