Nora Taghavi and  Ali Sadr,  Piezoelectric Transducer Modeling: with System Identification (SI) Method.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2008, vol. 15(3). 416 - 421
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/3688.