1. Radio Surface Waves;Barlow,1962
2. The Theory of Functions;Titchmarsh,1939
3. Diffraction theory;Bouwkamp;Repts. Progr. Phys.,1954
4. Some theoretical results for surface wave launchers;Brown;IEEE Trans. Antennas and Propagation,1959
5. The problem of optimum antenna current distribution;Bouwkamp;Philips Res. Rep.,1946