Abo-El-Nour N. Abd-Alla and  Fatimah A. Alsheikh,  The Effect of the Initial Stresses on the Reflection and Transmission of Plane Quasi-Vertical Transverse Waves in Piezoelectric Materials.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 118 - 125
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/6128.