Farhad Asadi and  Gholamhasan Payganeh,  Signal and Harmonic Analysis of a Compressor Blade for Identification of the Nonlinear Frequency Vibration .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2020, vol. 168(12). 644 - 654
    [viewed 18 October 2021]. Available from: https://publications.waset.org/pdf/10011705.