@article{KernKloetersPferdmenges2009,
  author    = {Kern, Alexander and Kl{\"o}ters, Georg and Pferdmenges, J{\"o}rg},
  title     = {Blitzschutzoptimierung in der LST an nicht-elektrifizierten Strecken},
  series = {Signal und Draht. 101 (2009), H. 4},
  journal   = {Signal und Draht. 101 (2009), H. 4},
  publisher = {DVV Media Group},
  address   = {Hamburg},
  isbn      = {0037-4997},
  pages     = {17 -- 21},
  year      = {2009},
  language  = {de}
}
@article{KernKloetersPferdemenges2010,
  author    = {Kern, Alexander and Kl{\"o}ters, Georg and Pferdemenges, J{\"o}rg},
  title     = {Optimised protection against lightning for the signalling and safety systems of level crossings on non-electrified railway lines},
  series = {RTR : European Rail Technology Review},
  volume    = {50},
  journal   = {RTR : European Rail Technology Review},
  number    = {2},
  isbn      = {0079-9548},
  year      = {2010},
  language  = {en}
}