Liu, Wenchang, Chaohua Wu, and Xingan Chen. “An Eigenfrequency-Constrained Topology Optimization Method With Design Variable Reduction”. Strojniški vestnik - Journal of Mechanical Engineering 70, no. 3-4 (March 28, 2024): 159–169. Accessed June 19, 2024. https://ojs30.sv-jme.eu/index.php/sv-jme/article/view/739.