?url_ver=Z39.88-2004&rft_id=INSPEC+Accession+Number%3A+9834233+&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Buscemi%2C+Maria+Grazia&rft.aufirst=Maria+Grazia&rft.aulast=Buscemi&rft.title=Constraint-Based+Policy+Negotiation+and+Enforcement+for+Telco+Services&rft.date=2007&rft.btitle=Proceedings+of+the+1st+IEEE+%26+IFIP+Theoretical+Aspects+of+Software+Engineering+Conference+(TASE%E2%80%9907)&rft.isbn=0-7695-2856-2&rft.genre=bookitem