@article{83506,
  author = {Dylan Williams and Bradley Alpert and Uwe Arz and Hartmut Grabinski},
  title = {Causal Characteristic Impedance of Planar Transmission Lines},
  year = {2003},
  number = {26},
  month = {2003-05-01},
  publisher = {IEEE Transactions on Advanced Packaging},
  doi = {https://doi.org/10.1109/TADVP.2003.817339},
  language = {en},
}