@misc{indiciae1dd5ad43f752,
  title = {Vibration analysis using digital correlation},
  author = {Gilbert, John A. and Lehner, David L. and Dudderar, T. Dixon and Matthys, Donald R.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19900033025},
  note = {Source identifier: 19900033025}
}