@misc{indiciaea26f5ffbadec,
  title = {Formulation and implementation of a practical algorithm for non-stationary adaptive state estimation},
  author = {Whitemore, S. A. and Leondes, C. T.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870024792},
  note = {Source identifier: 19870024792}
}