Pukharenko Ю.В., Panteleev Д.А., and Zhavoronkov М.И. “Application of Lightweight Fiber-Reinforced Concrete for Shaft Lagging”. Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series 152, no. 3 (September 30, 2025): 23–40. Accessed October 8, 2025. https://bultech.enu.kz/index.php/main/article/view/969.