@article{Rethfeld2010,
  author    = {Rethfeld, Stefan},
  title     = {Neue Raumwelten auf Roter Erde},
  series = {Westfalium extra},
  journal   = {Westfalium extra},
  number    = {no. 7},
  pages     = {6 -- 17},
  year      = {2010},
  language  = {mul}
}
@article{Rethfeld2010,
  author    = {Rethfeld, Stefan},
  title     = {Erweiterung eines Lagerhauses},
  series = {db - deutsche bauzeitung},
  volume    = {0721-1902},
  journal   = {db - deutsche bauzeitung},
  number    = {no. 9},
  pages     = {61},
  year      = {2010},
  language  = {de}
}