B. BÉDA, Péter. On the Nature of Flutter and Divergence Material Instabilities. Periodica Polytechnica Transportation Engineering, [S. l.], v. 27, n. 1-2, p. 93–99, 1999. Disponível em: https://pp.bme.hu/tr/article/view/1979. Acesso em: 5 may. 2024.