@article{CTT100811702,
  author = {Motoaki Hara and Yuichiro Yano and Masatoshi Kajita and Hitoshi Nishino and Yasuhiro Ibata and Shinsuke  Hara and Masaya Toda and Akifumi Kasamatsu and Hiroyuki Ito and Takahito Ono and Tetsuya Ido},
  title = {Microwave oscillator using piezoelectric thin-film resonator aiming for ultraminiaturization of atomic clock},
  journal = {Review of Scientific Instruments},
  year = 2018,
}

@inproceedings{CTT100780824,
  author = {原基揚 and 矢野雄一郎 and 梶田雅稔 and 西野仁 and 戸田雅也 and 原紳介 and 笠松章史 and 伊藤浩之 and 小野崇人 and 井戸哲也},
  title = {圧電薄膜共振子を利用した3.5 GHz帯CMOS発振回路の開発 と原子時計システムへの適用},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100758754,
  author = {Motoaki Hara and Yuichiro Yano and Masatoshi Kajita and Hitoshi Nishino and Yasuhiro Ibata and Masaya Toda and Shinsuke  Hara and Akifumi Kasamatsu and Hiroyuki Ito and Takahito Ono and Tetsuya Ido},
  title = {Micro Atomic Frequency Standards Employing an Integrated FBAR-VCO Oscillating on the 87Rb Clock Frequency without a Phase-Locked Loop},
  booktitle = {},
  year = 2018,
}