@article{904391,
      author = {Philippopoulos-Mihalopoulos, Andreas.},
      url = {http://library.usi.edu/record/904391},
      title = {Niklas Luhmann law, justice, society / [electronic  resource] :},
      publisher = {Routledge,},
      recid = {904391},
      pages = {x, 237 p.},
      address = {New York :},
      year = {2009},
}