Vibration Characteristics Oblate Shell "With and Without Framed Structure". Al-Khwarizmi Engineering Journal, [S. l.], v. 6, n. 2, p. 1–10, 2010. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/484. Acesso em: 28 mar. 2025.