@article{CTT100565982,
  author = {Hirokazu Oba and Minseok Kim and Ryotaro  Tamaki and Hiroyuki Arai},
  title = {Adaptive Impedance Matching System using FPGA Processor for Efficient Control Algorithm},
  journal = {IEICE Transactions on Electronics},
  year = 2008,
}

@misc{CTT100561424,
  author = {Hirokazu Oba and Minseok Kim and Ryotaro  Tamaki and Hiroyuki Arai},
  title = {Adaptive Impedance Matching System using FPGA Processor of Efficient Control Algorithm},
  year = 2007,
}