@article{253819,
      recid = {253819},
      author = {Wenger, Etienne, and McDermott, Richard A. and Snyder,  William,},
      title = {Cultivating communities of practice : a guide to managing  knowledge /},
      publisher = {Harvard Business School Press,},
      address = {Boston :},
      pages = {xii, 284 p. :},
      year = {2002},
      url = {http://library.usi.edu/record/253819},
}