A. Zemirline and  M. Ouali and  A. Mahieddine,  Static Study of Piezoelectric Bimorph Beams with Delamination Zone.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 96(12). 2108 - 2111
    [viewed 23 October 2019]. Available from: https://publications.waset.org/pdf/10001033.