@misc{indiciae6bde71f18b2a,
  title = {Three-Dimensional Displacement Measurement Using Diffractive Optic Interferometry},
  author = {Gilbert, John A. and Cole, Helen J. and Shepherd, Robert L. and Ashley Paul R.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990113189},
  note = {Source identifier: 19990113189}
}