@article{CTT100382112,
  author = {Jun-ichi Takada},
  title = {Propagation Characteristics of a Dielectric-Coated Coaxial Helical Waveguide in a Lossy Medium(jointly authored)},
  journal = {IEEE Transactions on Microwave Theory and Techniques},
  year = 1997,
}

@article{CTT100382113,
  author = {Jun-ichi Takada},
  title = {MoM Analysis of a Small Aperture Radial Line Slot Antenna Using Rectangular Cavity Green's Function},
  journal = {IEE Proceedings-Microwaves, Antennas and Propagation},
  year = 1997,
}