BYOUNG KOO LEE; SANG JIN OH; GUANGFAN LI. Buckling loads of columns of regular polygon cross-section with constant volume and clamped ends. Electronic Journal of Structural Engineering, [S. l.], v. 2, p. 76–84, 2002. DOI: 10.56748/ejse.226. Disponível em: https://ejsei.com/EJSE/article/view/26. Acesso em: 19 may. 2024.