“Thermal Buckling and Free Vibration of Euler–Bernoulli FG Nanobeams Based on the Higher-Order Nonlocal Strain Gradient Theory”. Archives of Mechanics 72, no. 2 (March 18, 2020): 139–168. Accessed May 13, 2025. https://am3.ippt.pan.pl/index.php/am/article/view/v72p139.