ELMEICHE, Abbes; MEGUENI, Abdelkader; LOUSDAD, Abdelkader. Free Vibration Analysis of Functionally Graded Nanobeams Based on Different Order Beam Theories Using Ritz Method. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 60, n. 4, p. 209–219, 2016. 10.3311/PPme.8707. Disponível em: https://pp.bme.hu/me/article/view/8707. Acesso em: 22 jul. 2024.