1. Two notched band two post waveguide section
2. Spectral Properties of a Rectangyular Waveguide Section with Two Uneven Rectangular POSTS.;Mospan;Radio Phys Radio Astron,2013
3. Integral Equation for the Current in Thin Impedance Radiator.;Glushkovsky;Radiotekhnika,1967
4. Integral equation analysis of cylindrical antennas characterized by arbitrary surface impedance.;Inagaki;IEICE Trans Commun,1972