@article{Luhmann2005,
  author    = {Luhmann, Hans-Jochen},
  title     = {Wenn das Grandfathering sein Ende findet : Energieprognose f{\"u}r Deutschland},
  journal   = {Umwelt - kommunale {\"o}kologische Briefe},
  volume    = {10},
  number    = {22},
  pages     = {14},
  year      = {2005},
  language  = {de}
}