@techreport{FritscheIlgemannLeprichetal.1993,
  author    = {Fritsche, Uwe R. and Ilgemann, Uwe and Leprich, Uwe and Seifried, Dieter and Witt, Johannes and Viefhues, Dieter and Hanke, Thomas and Hennicke, Peter and Thomas, Stefan},
  title     = {Least-Cost Planning : Fallstudie Hannover der Stadtwerke Hannover AG ; Zwischenbericht, Anlagenband},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  year      = {1993},
  language  = {de}
}