@article{KernWiesingerZischank2007,
  author    = {Alexander Kern and J. Wiesinger and Wolfgang J. Zischank},
  title     = {Calculation of the longitudinal voltage along metal tubes caused by lightning currents and protection measures},
  journal   = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30 1991},
  year      = {2007},
}