Snoeck, Didier. ‚ÄúSuperabsorbent Polymers to Seal and Heal Cracks in Cementitious Materials‚ÄĚ. RILEM Technical Letters 3 (November 15, 2018): 32-38. Accessed February 18, 2019. http://letters.rilem.net/index.php/rilem/article/view/64.