@misc{indiciaefaa167419d92,
  title = {On-line structural parameter identification},
  author = {Thau, F. E. and Montgomery, R. C. and Horner, G. C.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810059735},
  note = {Source identifier: 19810059735}
}