@article{WallbaumMuellerKaiser2005,
  author    = {Wallbaum, Holger and M{\"u}ller, Michael and Kaiser, Claudia},
  title     = {Ressourceneffizienz am Bau ist planbar},
  journal   = {FactorY},
  volume    = {1},
  number    = {3},
  pages     = {16},
  year      = {2005},
  language  = {de}
}