VICTOR YOSSIF, Wisam. Elastic Critical Load of Tapered Members. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 12, n. 1, p. 148–160, 2008. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1680.. Acesso em: 21 apr. 2025.