1. The radiation and confinement of electromagnetic energy accompanying the oscillation of piezoelectric crystal plates;Tiersten,1970
2. Energy trapping;Mortley;Marconi Rev.,1967
3. Peizoelectric Crystals and their Application to Ultrasonics;Mason,1950
4. Modes of motion in quartz crystals, the effects of coupling and methods of design;Sykes,1946
5. Elastic and piezoelectric constants of alpha quartz;Bechmann;Phys. Rev.,1958