@article{723189,
      author = {Vallet, Élisabeth, and Bellais, Renaud,},
      url = {http://library.usi.edu/record/723189},
      title = {Borders, fences and walls : state of insecurity? /},
      recid = {723189},
      pages = {1 online resource (xii, 286 pages) :},
}