?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Michele&rft.aulast=Amoretti&rft.au=Amoretti%2C+Michele&rft.date=7+September+2013&rft.title=Towards+a+Formal+Approach+to+Mobile+Cloud+Computing&rft.genre=proceeding