Mikoliūnas, Audrius, and Rimantas Kačianauskas. “Stiffness Characteristics of Geometrically Non-Linear Beam Finite element/Geometriškai Netiesinio Lenkiamo Strypo Baigtinio Elemento Standumo Rodiklių Nustatymas”. Journal of Civil Engineering and Management 3, no. 10 (June 30, 1997): 52-59. Accessed November 15, 2024. https://jest.vgtu.lt/index.php/JCEM/article/view/9488.