@conference{135336,
  author = {Dylan Williams and Ronald Wittmann},
  title = {Computation of Causal Characteristic Impedances},
  year = {2000},
  number = {3},
  month = {2000-06-12},
  publisher = {IEEE MTT-S Intl. Symp., Boston, MA},
  doi = {https://doi.org/10.1109/MWSYM.2000.862332},
  language = {en},
}