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