?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Pablo&rft.au=Padilla+de+La+Torre%2C+Pablo&rft.aulast=Padilla+de+La+Torre&rft.btitle=1st+European+Conference+on+Antennas+and+Propagation+(EuCAP+2016)&rft.title=Design+of+a+double+array+lens&rft.date=2006&rft.genre=proceeding