@article{Koga13,
  title = {Foreword},
  author = {Hisashi Koga},
  year = {2013},
  url = {http://search.ieice.org/bin/summary.php?id=e96-a_6_1023},
  researchr = {https://researchr.org/publication/Koga13},
  cites = {0},
  citedby = {0},
  journal = {IEICE Transactions},
  volume = {96-A},
  number = {6},
  pages = {1023},
}