M. Najafi,  Rotor Dynamic Analysis for a Shaft Train by Using Finite Element Method.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2019, vol. 145(1). 66 - 72
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/10009973.