?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Piva&rft.aufirst=G.&rft.au=Piva%2C+G.&rft.date=2004&rft.degree=Masters&rft.inst=University+of+Trento&rft.title=Pattern+somma+e+differenza+per+mezzo+di+array+di+antenne+ad+elementi+parassiti