@misc{LampeErpelding1999,
  author    = {Karl Lampe and Richard Erpelding},
  title     = {Windsichter},
  url       = {https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf\&docid=DE000019959183A1\&xxxfull=1},
  year      = {1999}
}