Tebbal, Nadia, and Zine El Abidine Rahmouni. “Effects of High Temperatures on Mortar Containing Portland Cement and an Air-Entraining Agent”. Academic Journal of Civil Engineering 37, no. 1 (December 3, 2020): 92-96. Accessed April 25, 2024. https://journal.augc.asso.fr/index.php/ajce/article/view/ajce.37.1.19.