@misc{indiciaed3e241953c4a,
  title = {System identification for Space Station Freedom using observer/Kalman filter Markov parameters},
  author = {Papadopoulos, Michael and Tolson, Robert H.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940008503},
  note = {Source identifier: 19940008503}
}