@article{489312,
      author = {Nagy, Ervin. and Varga, Gisella.},
      url = {http://library.usi.edu/record/489312},
      title = {Emissions trading: lessons learned from the European Union  and Kyoto Protocol climate change programs /},
      publisher = {Nova Science Publishers, Inc.,},
      recid = {489312},
      pages = {x, 133 p. :},
      address = {New York :},
      year = {2009},
}