Jóźwiak-Niedźwiedzka, D. (2011) “Influence of high calcium fly ash on permeability of concrete in respect to aggressive media”, Roads and Bridges - Drogi i Mosty, 10(3), pp. 39–61. Available at: https://rabdim.pl/index.php/rb/article/view/v10n3p39 (Accessed: 22 July 2024).