@misc{indiciaed673888ae8d0,
  title = {Smoothing for time-varying systems using measurements containing colored noise},
  author = {Bryson, A. E., Jr. and Mehra, R. K.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670031037},
  note = {Source identifier: 19670031037}
}