Whirling and Vibration of Rotating Machinery Critical Speeds and Modes . University of Thi-Qar Journal for Engineering Sciences, [S. l.], v. 8, n. 2, p. 1–17, 2017. DOI: 10.31663/utjes.v8i2.88. Disponível em: http://jeng.utq.edu.iq/index.php/main/article/view/88.. Acesso em: 4 may. 2024.