@article{1415066,
      recid = {1415066},
      author = {Della Porta, Donatella, and Diani, Mario,},
      title = {Social movements : an introduction /},
      publisher = {Blackwell Publishing,},
      address = {Malden, MA :},
      pages = {1 online resource (ix, 345 pages).},
      year = {2006},
      url = {http://library.usi.edu/record/1415066},
}