@incollection{ViebahnSoukup2015,
  author    = {Viebahn, Peter and Soukup, Ole},
  title     = {Kritische Rohstoffe beim Windenergieausbau : Special Report},
  booktitle = {Windenergie Report Deutschland 2014},
  editor    = {Rohrig, Kurt},
  publisher = {Fraunhofer-Verl.},
  address   = {Stuttgart},
  pages     = {71 -- 77},
  year      = {2015},
  language  = {de}
}