@techreport{LechtenboehmerMerten2002,
  author    = {Lechtenb{\"o}hmer, Stefan and Merten, Frank},
  title     = {Die CO2-Emissionen Hamburgs von 1980 bis 2000 : Bericht},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  pages     = {12},
  year      = {2002},
  language  = {de}
}