Jonkers, H.M., and H.E.J.G. Schlangen. "Bacteria-Based Self-Healing Concrete." Restoration of Buildings and Monuments: An International Journal 15/3 (2009): 255-265.

Jonkers, H.M., and H.E.J.G. Schlangen. "Bacteria-Based Self-Healing Concrete." Restoration of Buildings and Monuments: An International Journal 15/3 (2009): 255-265.