@article{1457235,
      recid = {1457235},
      author = {Roos, Christof,},
      title = {The EU and immigration policies cracks in the walls of  fortress Europe? / [electronic resource]},
      publisher = {Palgrave Macmillan,},
      address = {New York :},
      pages = {1 online resource (ix, 245 pages) :},
      year = {2013},
      url = {http://library.usi.edu/record/1457235},
}