Arturs Macanovskis and  Vitalijs Lusis and  Andrejs Krasnikovs,  Crack Opening Investigation in Fiberconcrete.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 438 - 445
    [viewed 18 September 2020]. Available from: https://publications.waset.org/pdf/9998056.