1. Microstrip antennas;Howell;I.E.E.E., Trans. Antennas and Propag.
2. Radiation characteristics of an axial mode helical antenna;Shiokawa;Trans., I.E.C.E., (B),1980
3. Synthesis of circular polarization by a slot antenna coupled with a non-excited dipole;Adachi;Trans. I.E.C.E., (B),1980
4. One-point backfed circularly polarized microstrip disk antenna;Haneishi;Trans. I.E.C.E., (B),1980
5. Synthesis of circular polarization by slots on a narrow waveguide wall;Seki;Trans., I.E.C.E., (B),1980