1. Investigation of a Surface-Wave Transmission Line for Long Distance Transmission;Goubau;IRE Trans on Antennas and Propagation,1952
2. Surface-Wave Transmission Lines;Grace;Wireless Engr.,1952
3. Microwave by Wire;Hafner;Elec. Engr.,1959
4. New Concepts for Radio Frequency Transmission Lines;Lombardini;Final Report, Moore School Report No. 61-05 under Wright Air Development Center Contract AF33(616)-6769,1960
5. A UHF Surface-Wave Transmission Line;Sharp,1953