@article{489315,
      author = {Kowalczyk, Leszek. and Piotrowski, Jakub.},
      url = {http://library.usi.edu/record/489315},
      title = {Energy costs, international developments and new  directions [electronic resource] /},
      publisher = {Nova Science Publishers,},
      recid = {489315},
      pages = {xi, 226 p. :},
      address = {New York :},
      year = {2009},
}