@misc{indiciaea05a3acf6b31,
  title = {Design and Performance of a 2.7 THz Waveguide Tripler},
  author = {Maiwald, Frank and Martin, S. and Bruston, J. and Maestrini, A. and Crawford, T. and Siegel, P. H.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020038961},
  note = {Source identifier: 20020038961}
}