@misc{indiciaeed064285912d,
  title = {An adaptive tracking filter for bending-mode stabilization.},
  author = {Cunningham, D. C. and Gaylor, R. and Schaeperkoetter, R. L.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670048089},
  note = {Source identifier: 19670048089}
}