@techreport{LangrockSterk2003,
  type      = {Working Paper},
  author    = {Langrock, Thomas and Sterk, Wolfgang},
  title     = {Die projektbasierten Mechanismen als Erg{\"a}nzung des EU-Emissionshandels},
  series    = {JIKO policy paper},
  volume    = {2003,1},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  pages     = {15},
  year      = {2003},
  language  = {de}
}