Chao Yi and  Cunyue Lu and  Lingwei Quan,  Design and Analysis of a Piezoelectric Linear Motor Based on Rigid Clamping.   journal   = {International Journal of Mechanical and Materials Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2019, vol. 156(12). 723 - 726
    [viewed 21 April 2021]. Available from: https://publications.waset.org/pdf/10010932.