?url_ver=Z39.88-2004&rft_id=10.1007%2F978-3-540-75292-9_19&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Lapadula&rft.aufirst=Alessandro&rft.au=Lapadula%2C+Alessandro&rft.btitle=Theoretical+Aspects+of+Computing+%E2%80%93+ICTAC+2007&rft.date=2007&rft.title=COWS%3A+A+Timed+Service-Oriented+Calculus&rft.isbn=978-3-540-75290-5&rft.genre=bookitem