1. 1. E. Schlangen, N. ter Heide, and K. van Breugel, “Crack Healing of Early Age Cracks in Concrete,” Meas. Monit. Model. Concr. Prop., pp. 273–284, 2006.
   2. D. Palin, V. Wiktor, and H. M. Jonkers, “Autogenous healing of marine exposed concrete: Characterization and quantification through visual crack closure,” Cem. Concr. Res., vol. 73, no. July 2016, pp. 17– 24, 2015
   3. K. Van Tittelboom, E. Gruyaert, H. Rahier, and N. De Belie, “Influence of mix composition on the extent of autogenous crack healing by continued hydration or calcium carbonate formation,” Constr. Build. Mater., vol. 37, pp. 349–359, 2012.
   4. H. M. Jonkers and E. Schlangen, “CRACK REPAIR BY CONCRETE-IMMOBILIZED BACTERIA,” no. April, pp. 1–7, 2007.
   5. P. Termkhajornkit, T. Nawa, Y. Yamashiro, and T. Saito, “Self-healing ability of fly ash-cement systems,” Cem. Concr. Compos., vol. 31, no. 3, pp. 195–203, 2009.
   6. Z. H. Zhou, Z. Q. Li, D. Y. Xu, and J. H. Yu, “Influence of Slag and Fly Ash on the Self-Healing Ability of Concrete,” Adv. Mater. Res., vol. 306–307, pp. 1020– 1023, 2011.
   7.  S.-H. Na, “Experimental Investigation on SelfHealing Performance of Cementitious Composite Incorporating Fly Ash and Ground GRANULATED BLAST FURNACE SLAG,” 2013.