@misc{indiciaecba100e7c23c,
  title = {A superconducting time-variant filtering system.},
  author = {Arndt, G. D. and Eggleston, T. W. and Alworth, C. W. and Haden, C. R.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730027045},
  note = {Source identifier: 19730027045}
}