BALAJI, N.; AISHWARYA, S.; VIJAYASARATHI, P. An Investigation Of Design And Modal Analysis Of The Different Material On Helicopter Blade. RA Journal of Applied Research, [S. l.], v. 2, n. 06, p. 483–490, 2016. Disponível em: http://rajournals.in/index.php/rajar/article/view/424. Acesso em: 23 dec. 2024.