@phdthesis{Henke2007,
  author    = {Henke, Jan M.},
  title     = {Information as an envirommental policy instrument : a case study for the economics of Eco-Labeling},
  publisher = {dissertation.de},
  address   = {Berlin},
  isbn      = {978-3-86624-212-8},
  pages     = {XII, 197 S. : graph. Darst.},
  year      = {2007},
  language  = {en}
}