Robert W. Keyes
Optica Acta
The third-order elastic constants of crystalline quartz are used to calculate the stress dependence of the frequency of quartz oscillator plates. © 1967, IEEE. All rights reserved.
Robert W. Keyes
Optica Acta
Robert W. Keyes
Proceedings of the IEEE
Robert W. Keyes
IEEE JSSC
Robert W. Keyes
Physical Review Letters