Nikiforova, N. A., I. L. Safronov, V. I. Stetsuk, and V. O. Momot. 2012. “Study of Covering Rocks of Novo-Dmitrovsk Deposits of Brown Coal With the Purpose of Using As Building Materials”. Science and Transport Progress, no. 40 (April):135-39. https://doi.org/10.15802/stp2012/7023.