Konkol, Janusz. “The Use of Fractal Geometry in Determination of Fracture Toughness of Metakaolinite Modified Concrete”. Budownictwo i Architektura 12, no. 3 (September 11, 2013): 177–184. Accessed November 24, 2024. https://ph.pollub.pl/index.php/bia/article/view/2030.