J. Mendoza-López and  S. Sánchez-Solano and  J. L. Huertas-Díaz,  Characterization and Modeling of Piezoelectric Integrated Micro Speakers for Audio Acoustic Actuation.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2011, vol. 58(10). 1307 - 1313
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9695.