@article{805164,
      author = {Serra, Joaquim Paulo, and Goncalves, Gisela, and Dahlgren,  Peter,},
      url = {http://library.usi.edu/record/805164},
      title = {Politics and web 2.0Evandro Oliveira : the participation  gap /},
      recid = {805164},
      pages = {1 online resource (169 pages) :},
}