@misc{indiciaebec957898789,
  title = {Development of spectral analysis math models and software program and spectral analyzer, digital converter interface equipment design},
  author = {Hayden, W. L. and Robinson, L. H.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720021512},
  note = {Source identifier: 19720021512}
}