ZHANG, W.; GE, Z.; LI, D. Design of a Self-Folding Composite Variable-Diameter Wheel Structure based on 4D Printing Technology. Strojniški vestnik - Journal of Mechanical Engineering, [S. l.], v. 69, n. 3-4, p. 185–195, 2023. DOI: 10.5545/sv-jme.2022.359. Disponível em: https://ojs30.sv-jme.eu/index.php/sv-jme/article/view/359. Acesso em: 25 may. 2024.