Vukićević, Mirjana, Zdenka Popović, Jovan Despotović, and Luka Lazarević. “Fly Ash and Slag Utilization for the Serbian Railway Substructure”. Transport 33, no. 2 (January 26, 2018): 389–398. Accessed November 28, 2024. https://jest.vgtu.lt/index.php/Transport/article/view/200.