Drożdż, Wojciech, and Zbigniew Giergiczny. “The Resistance of Mortars and Concrete With Calcareous Fly Ash on Alkaline Corrosion”. Roads and Bridges - Drogi i Mosty 12, no. 2 (February 1, 2014): 147–158. Accessed December 22, 2024. https://rabdim.pl/index.php/rb/article/view/v12n2p147.