@misc{indiciae7a3b03921ef9,
  title = {Calibration of Hewlett-Packard network analyzers: A precision viewpoint},
  author = {Davis, W. A. and Keller, D. M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900011946},
  note = {Source identifier: 19900011946}
}