Kimelman, Semen Aronovich, and Evgenia Anatolievna Kuklina. “System of Paid Subsurface Use in Russia: Current State and Development Prospects”. Administrative Consulting, no. 4 (July 15, 2013): 095–108. Accessed November 7, 2026. https://administrative-consulting.owebs.ru/article/view/12356.