<?xml version="1.0"?>
<response><item key="0"><nothing>Igor Sushencev, Alexey Shcherbakov, Konstantin Ladutenko, Pavel Belov, "Superdirective dielectric spherical multilayer antennae", 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS), 2020, [DOI: 10.1109/comcas44984.2019.8958207] </nothing></item></response>
