Belevičius, Rimantas, Saulius Valentinavičius, and Edvard Michnevič. “Multilevel Optimization of Grillages”. Journal of Civil Engineering and Management 8, no. 2 (June 30, 2002): 98-103. Accessed November 23, 2024. https://btp.vgtu.lt/index.php/JCEM/article/view/9105.