Jokūbaitis, Aidas, Juozas Valivonis, and Gediminas Marčiukaitis. “Analysis of Strain State and Cracking of Cocnrete Sleepers”. Journal of Civil Engineering and Management 22, no. 4 (April 27, 2016): 564-572. Accessed July 6, 2024. https://jau.vgtu.lt/index.php/JCEM/article/view/1337.