<?xml version="1.0"?>
<response><item key="0"><nothing>Irina Khromova, B. P. de Hon, "Symmetrical Pyramidal Horn Antennas Based on EBG Structures", Progress In Electromagnetics Research B, vol. 29, pp. 1-22, 2011, [DOI: 10.2528/PIERB11020403] [SJR: 0.72]</nothing></item></response>
