@article{TuerkRitthoffGeibleretal.2003,
  author    = {T{\"u}rk, Volker and Ritthoff, Michael and Geibler, Justus von and Kuhndt, Michael},
  title     = {Virtuell = umweltfreundlich? : Der {\"o}kologische Rucksack des Internets},
  journal   = {Umwelt, Medizin, Gesellschaft},
  volume    = {16},
  number    = {2},
  pages     = {121 -- 126},
  year      = {2003},
  language  = {de}
}