Oliinyk, O. et al. 2020. Analysis of tight gas reservoirs and lithological-petrophysical assessment of upper and middle Carboniferous strata of Svyatogorska Area. Visnyk of Taras Shevchenko National University of Kyiv. Geology. 2, 89 (Jun. 2020), 89–95. DOI:https://doi.org/10.17721/1728-2713.89.12.