@misc{indiciae604a3e8e9112,
  title = {Measurement of fluid velocity fields using digital correlation techniques},
  author = {Matthys, Donald R. and Puliparambil, Joseph T. and Gilbert, John A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910070911},
  note = {Source identifier: 19910070911}
}