@article{Baltzer2005,
  author    = {Wolfgang Baltzer},
  title     = {Neue Sicherheitsstrategien f{\"u}r Strassentunnel},
  journal   = {Strasse + Autobahn. 54 (2003), H. 6},
  pages     = {337 -- 344},
  year      = {2005},
}