?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=E.&rft.aulast=Alborali&rft.au=Alborali%2C+E.&rft.date=2012&rft.degree=Masters&rft.inst=University+of+Trento&rft.title=Array+antenna+synthesis+with+sparse+sub-arrays