Колчунов, В.И., and Масуд Нур Эддин. “Experimental Research Methodology Crack Opening Width of Reinforced Concrete Elements”. Proceedings of National Aviation University 27, no. 1 (January 1, 2006): 181–183. Accessed April 13, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1278.