@article{348714,
      author = {Madensen, Tamara. and Knutsson, Johannes,},
      url = {http://library.usi.edu/record/348714},
      title = {Preventing crowd violence /},
      publisher = {Lynne Rienner Publishers,},
      recid = {348714},
      pages = {ix, 243 p. :},
      address = {Boulder, Colo. :},
      year = {2011},
}