B. Akturk and  N. Yuzer and  N. Kabay,  Mechanical Properties and Released Gas Analysis of High Strength Concrete with Polypropylene and Raw Rice Husk under High Temperature Effect.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 806 - 811
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/17250.