?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Festi%2C+G.&rft.aulast=Festi&rft.aufirst=G.&rft.date=2013&rft.degree=Masters&rft.title=Dynamic+Thinning+for+Circular+Ring+Arrays&rft.inst=University+of+Trento