محـــمد جمــيل صـــباح; فتحي مصطفى عنــاد; شكيب الصراف زياد. Effect of the change of Depth and Location of Transverse Cracks on Frequencies of Rotating Shaft. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 12, n. 1, p. Ar-1-Ar-15, 2008. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1631.. Acesso em: 26 apr. 2025.