@article{RitthoffMertenWallbaumetal.2004,
  author    = {Ritthoff, Michael and Merten, Thomas and Wallbaum, Holger and Liedtke, Christa},
  title     = {Stahl im Vergleich : Verfahren, Ressourceneffizienz, Recycling, Umwelt},
  journal   = {Stahl und Eisen},
  volume    = {124},
  number    = {7},
  pages     = {61 -- 66},
  year      = {2004},
  language  = {de}
}