@article{CTT100382097,
  author = {Jun-ichi Takada},
  title = {The Bandwidth and the Gain of Radial Line Slot Antenna with Uniform Slot Density.},
  journal = {Transactions of IECIE E},
  year = 1990,
}

@article{CTT100382099,
  author = {Jun-ichi Takada},
  title = {A Small Radial Line Slot Antenna. (jointly authored)},
  journal = {Transactions of IEICE B-II},
  year = 1990,
}