@misc{indiciae46160d7a3e2f,
  title = {Spacecraft drag-free technology development: On-board estimation and control synthesis},
  author = {Key, R. W. and Mettler, E. and Milman, M. H. and Schaechter, D. B.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820021476},
  note = {Source identifier: 19820021476}
}