Vakulenko, I. O., S. V. Proidak, L. I. Vakulenko, and N. A. Grischenko. 2019. “SOFTENING OF HARDENED MEDIUM-CARBON STEEL DURING HEATING”. Science and Transport Progress, no. 1(79) (March):94-101. https://doi.org/10.15802/stp2019/160163.