@misc{indiciae9268c7f8b2d9,
  title = {Improvement of analytical dynamic models using modal test data},
  author = {Berman, A. and Wei, F. S. and Rao, K. V.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800050912},
  note = {Source identifier: 19800050912}
}