Analysis of the options of modernization of roller-bit drilling machines with a submersible steamerYungmeister, Dmitry A.; Krupenski, Igor; Lavrenko, Sergey A.Journal of Mining Institute2018 / p. 321 - 325 https://doi.org/10.25515/pmi.2018.3.321 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS