Lenka Bodnárová and  Rudolf Hela and  Michala Hubertová and  Iveta Nováková,  Behaviour of Lightweight Expanded Clay Aggregate Concrete Exposed to High Temperatures.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 96(12). 1210 - 1213
    [viewed 21 October 2019]. Available from: https://publications.waset.org/pdf/9999750.