@misc{indiciae956b4a856987,
  title = {Two techniques for digital filter design},
  author = {Carroll, C. C. and Jones, J. W., Jr. and Nagle, H. T., Jr.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700000302},
  note = {Source identifier: 19700000302}
}