Z. Walczyk, “Balancing and Unbalance Identifications of Multi-Support Shafts and Rotors”, Eng. Trans., vol. 27, no. 3, pp. 453–462, Sep. 1979, Accessed: Jun. 11, 2025. [Online]. Available: https://et3.ippt.pan.pl/index.php/et/article/view/2104