@techreport{OPUS4-3408,
  title     = {Climate neutral Alpine Region 2050 : pilot study ; summary, annex I, annex II, annex III},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  year      = {2009},
  language  = {en}
}