WASET
    Krzysztof ZieliƄski and  Dariusz Kierzek,  The Impact of Alumina Cement on Properties of Portland Cement Slurries and Mortars.   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2021, vol. 174(6). 323 - 326
    [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10012103.