Rybkin, V. V., Kovalenko, V. V., Zayats, Y. L., Pshinko, P. O., Lisnyak, V. P., Yaryshkina, L. O., Vasilyeva, S. V., & Kovalenko, S. V. (2012). Research of physical and chemical characteristics of large fillers for production of ferro-concrete sleepers. Science and Transport Progress, (42), 242–245. https://doi.org/10.15802/stp2012/9405