@misc{indiciaeff8cce15717d,
  title = {A circuit with logarithmic transfer response over 9 decades.},
  author = {Gibbons, J. F. and Horn, H. S.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640039243},
  note = {Source identifier: 19640039243}
}