@misc{indiciae852425d26547,
  title = {Holographic technique for determining the phase of vibrating objects.},
  author = {Brown, G. M. and Jacobson, C. F. and Neumann, D. B.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690055335},
  note = {Source identifier: 19690055335}
}