WASET
    D. Gazdič and  I. Hájková and  M. Fridrichová,  High-Temperature X-Ray Powder Diffraction of Secondary Gypsum.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 95(11). 1169 - 1172
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9999742.