Abdulhamit Donder and  Erhan Ilhan Konukseven,  Spectral Coherence Analysis between Grinding Interaction Forces and the Relative Motion of the Workpiece and the Cutting Tool.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 116(8). 1540 - 1546
    [viewed 05 April 2020]. Available from: https://publications.waset.org/pdf/10005217.