@article{Prantner2011,
  author    = {Prantner, Magdolna},
  title     = {State of renewable energy sources along the Danube},
  journal   = {ITB Infoservice : 4. Schwerpunktausgabe},
  number    = {7},
  pages     = {37 -- 39},
  year      = {2011},
  language  = {en}
}