Anna Romanova and  Mojtaba Mahmoodian and  Upul Chandrasekara and  Morteza A. Alani,  Concrete Sewer Pipe Corrosion Induced by Sulphuric Acid Environment.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 100(4). 490 - 493
    [viewed 21 April 2021]. Available from: https://publications.waset.org/pdf/10001425.