@misc{indiciae85e88fcc2db5,
  title = {Decision-directed adaptive recursive estimators - Divergence prevention.},
  author = {Nahi, N. E. and Schaefer, B. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720033641},
  note = {Source identifier: 19720033641}
}