@misc{indiciaefa9bd66633f9,
  title = {Design and application of an adaptive tracking filter control system.},
  author = {Dupont, T. E. and Hart, W. G., Jr. and Mcgowan, G. F.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680055852},
  note = {Source identifier: 19680055852}
}