"Jun-ichi Takada","A Small Radial Line Slot Antenna. (jointly authored)",,"Transactions of IEICE B-II",,"Vol. 73",,"pp. 12",1990,
"Jun-ichi Takada","The Bandwidth and the Gain of Radial Line Slot Antenna with Uniform Slot Density.",,"Transactions of IECIE E",,"Vol. 73",,"pp. 8",1990,