WASET
    J. H. Kim and  J. H. Kwon and  J. S. Park and  K. J. Lim,  Prediction of the Performance of a Bar-Type Piezoelectric Vibration Actuator Depending on the Frequency Using an Equivalent Circuit Analysis.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 92(8). 1289 - 1293
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/9999117.