@misc{indiciaec6f1f6049736,
  title = {A Self-Tuning Kalman Filter for Autonomous Navigation Using the Global Positioning System (GPS)},
  author = {Truong, Son H.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990046605},
  note = {Source identifier: 19990046605}
}