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1. gCharacteristics of a Quartz Crystal Tuning Fork by
   Finite Element AnalysishC
   The@Transactions of the ICEC of Japan,
   Vol.E63, No.3, pp.177-183, March 1980C
   by Yoshiro Tomikawa, Sumio Sugawara and Masashi Konno.
   
   

2. gSame Phase Drive-Type Ultrasonic Motors Using Two Degenerate Bending Vibration Modes of a Diskh,
   IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency
   Control,
   Vol.39, No.2, pp.180-186, March 1992,
   by Takeshi Takano, Yoshiro Tomikawa and Chiharu Kusakabe.
   
   

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   Vol.J84-CCNoD4CppD267\272,@2001”N4ŒŽ,
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