@article{CTT100498114,
  author = {Hideaki Fujita and Hirofumi Akagi},
  title = {A practical approach to harmonic compensation in power systems-series connection of passive and active filters},
  journal = {IEEE Transactions on Industry Applications},
  year = 1991,
}

@inproceedings{CTT100590608,
  author = {Hideaki Fujita and Hirofumi Akagi},
  title = {Design Strategy for the Combined System of Shunt Passive and Series Active Filters},
  booktitle = {},
  year = 1991,
}