A. D'Alessandro and  F. Ubertini and  A. L. Materazzi,  Self-Sensing Concrete Nanocomposites for Smart Structures.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 113(5). 599 - 604
    [viewed 29 March 2020]. Available from: https://publications.waset.org/pdf/10004370.