G. Kehl and  P. Wagner,  Simulation Method for Determining the Thermally Induced Displacement of Machine Tools – Experimental Validation and Utilization in the Design Process.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 95(11). 1867 - 1874
    [viewed 13 December 2019]. Available from: https://publications.waset.org/pdf/9999791.