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\bibitem{Bia_etal2015} {\textquotedblleft}\textit{Analysis and synthesis of supershaped dielectric lens antennas}{\textquotedblright}. Bia P, Caratelli D, Mescia L, Gielis J, IET microwaves, antennas and propagation \textbf{9}, 1497 (2015).   http://doi.org/10.1049/IET-MAP.2015.0091

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