Huang, Xiaolin, Nengguo Wei, Chengzhe Wang, and Xuejing Zhang. “Nonlinear Free Vibration Analysis of Functionally Graded Porous Conical Shells Reinforced With Graphene Nanoplatelets”. Strojniški vestnik - Journal of Mechanical Engineering 70, no. 3-4 (March 28, 2024): 181–193. Accessed May 11, 2024. https://ojs30.sv-jme.eu/index.php/sv-jme/article/view/825.