13.Snoeck, D., Tittelboom, K., Steuperaert, S., Dubruel, P., and Belie, N., “Self-Healing
Cementitious Materials by the Combination of Microfibres and Superabsorbent Polymers”,
Journal of Intelligent Material Systems and Structures, Vol.25, No.1, 2014, pp.13-24.
