N NARASIMULU; PEDAMUTHEVI VIJAYANAND; S.JAYA KRISHNA. Natural frequency analysis of helicopter rotor blades . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 4, p. 2598–2605, 2018. Disponível em: https://ijiarec.com/ijiarec/article/view/852. Acesso em: 29 mar. 2024.