@misc{indiciaed8cc55d105a2,
  title = {Fourier plane filters},
  author = {Oliver, D. S. and Aldrich, R. E. and Krol, F. T.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730010943},
  note = {Source identifier: 19730010943}
}