@article{1385681,
      recid = {1385681},
      author = {Klopfer, Eric.},
      title = {Augmented learning : research and design of mobile  educational games /},
      publisher = {MIT Press,},
      address = {Cambridge, Mass. :},
      pages = {1 online resource (xvii, 251 pages) :},
      year = {2008},
      url = {http://library.usi.edu/record/1385681},
}