@article{Luhmann2009,
  author    = {Luhmann, Hans-Jochen},
  title     = {USA und EU setzen beim Klimaschutz auf dualen Ansatz},
  journal   = {Dow Jones trade news emissions},
  number    = {14},
  pages     = {13 -- 16},
  year      = {2009},
  language  = {de}
}