Letizia, M.Zürcher, J.-F.Mosig, J. R.2013-01-312013-01-312013-01-31201310.2528/PIERB12120310https://infoscience.epfl.ch/handle/20.500.14299/88400Prolate ellipsoidal lens for antenna systems providing multiple asymmetric beamstext::journal::journal article::research article