Śliwka, Andrzej, et al. “Evaluation of Protective Properties of Concretes Made of Cements With Calcareous Fly Ash With Respect to Reinforcing Steel”. Roads and Bridges - Drogi I Mosty, vol. 12, no. 2, Feb. 2014, pp. 237-50, doi:10.7409/rabdim.013.017.