@misc{indiciae598d78f0340d,
  title = {A noncontacting displacement measuring technique and its application to current vibration testing},
  author = {Flagge, B. and Naumann, E. C.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19680018177},
  note = {Source identifier: 19680018177}
}