@misc{AlbrechtBuckBuxbaumetal.2006,
  author    = {Martin Albrecht and Martin Buck and Bernd Buxbaum and Rolf Fensterle and Robert Lange},
  title     = {Object`s distance measurement method, involves providing electrical reference signal to time-of-flight unit, mixing electromagnetic radiation falling on unit with reference signal and detecting delay time between signal and radiation},
  url       = {https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat\&docid=DE102004037137A1},
  year      = {2006}
}