Anh, Vu Quoc. “Stability Analysis of Steel Frames With Semirigid Connections and Semirigid Connections With Rigidzones”. Vietnam Journal of Mechanics 23, no. 3 (October 1, 2001): 134–148. Accessed April 25, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/9946.