Umair Baig and  Kohei Nagai,  Effect of Self-Compacting Concrete and Aggregate Size on Anchorage Performance at Highly Congested Reinforcement Regions .   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 670 - 678
    [viewed 15 April 2021]. Available from: https://publications.waset.org/pdf/16735.