@misc{indiciaeccc2b7a17670,
  title = {Simultaneous expansion and orthogonalization of measured modes for structure identification},
  author = {Smith, Suzanne Weaver and Beattie, Christopher A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900039747},
  note = {Source identifier: 19900039747}
}