ISMAIL, Mahmud Rasheed; JWEEG, Mohsin Juber. Natural Frequencies of Multi-Irregular Span Beams under Elastic Supports By Modal Analysis Method. Nahrain University College of Engineering Journal, [S. l.], v. 19, n. 2, p. 353–362, 2017. Disponível em: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/28.. Acesso em: 23 dec. 2024.