ШОН, Л. Т.; КЛИПА, А. Н. Identification of helicopter mass flexibility characteristics. Proceedings of National Aviation University, [S. l.], v. 3, n. 2, p. 77–82, 1999. DOI: 10.18372/2306-1472.3.9375. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/9375. Acesso em: 7 may. 2024.