Highly Stable and Low Phase-Noise Oven-Controlled Crystal Oscillators (OCXOS) Using Dual-Mode Excitation. - Yasuaki Watanabe; Kiyoharu Ozaki; Shigeyoshi Goka; Takayuki Sato; Hitoshi Sekimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

ULPAC: A Miniaturized Ultralow-Power Atomic Clock. - Haosheng Zhang; Hans Herdian; Aravind Tharayil Narayanan; Atsushi Shirane; Mitsuru Suzuki; Kazuhiro Harasaka; Kazuhiko Adachi; Shigeyoshi Goka; Shinya Yanagimachi; Kenichi Okada 001 (IEEE J. Solid State Circuits, 2019)