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2. The propagation of electromagnetic waves above the earth’s surface;Makarov,1991
3. Excitation of surface waves on conducting, stratified, dielectric-clad, and corrugated surfaces
4. RADIO PHYSICS AND RADIO ASTRONOMY
5. Accuracy of predicting the attenuation function using the impedance type boundary conditions in the case of a two-layer propagation path;Egorov;Radioengineering and Electronics,2011