References

• 1. 1)
     • P. Vigoreux . (1931) , Quartz Resonators and Oscillators.
  2. 2)
     • N.G. Cady . The Piezoelectric Resonator. Proceedings of the Institute of Radio Engineers
  3. 3)
     • D.W. Dye . The Piezoelectric Quartz Resonator and Equivalent Electrical Circuit. Proceedings of the Physical Society
  4. 4)
     • C.F. Booth , F.J.M. Laver . A Standard of Frequency and its Applications. Journal I.E.E.
  5. 5)
     • H.B. Law . An Instrument for Short-Period Frequency Comparisons of Great Accuracy. Journal I.E.E.
  6. 6)
     • C.F. Booth , G. Gregory . The Effect of Doppler's Principle on the Comparison of Standard Frequencies over a Transatlantic Radio Path. Post Office Electrical Engineers' Journal
  7. 7)
     • E. Giebe , A. Scheibe . Über Leuchtresonatoren als Hochfrequenznormal. Hochfrequenztechnik und Elektroakustik
  8. 8)
     • C.F. Booth , E.J.C. Dixon . Crystal Oscillators for Radio Transmitters. Journal I.E.E.
  9. 9)
     • R.A. Brockbank , C.F. Floyd . The Unit Bay 1B Coaxial Cable Transmission System. Post Office Electrical Engineers' Journal
  10. 10)
      • K. Heegner . Über Messungen an piezo-elektrischen Kristallen. Zeitschrift für Hochfrequenztechnik