1. Overview of the iron and steel industry. The research center of the Deloitte company in the CIS
2. Decree of the Government of the Russian Federation of July 31, 2015 No. 779, http://www.consultant.ru/document/cons_doc_LAW_183798/
3. Order of the Ministry of Industry and Trade of the Russian Federation dated May 5, 2014 No. 839, https://www.garant.ru/products/ipo/prime/doc/70595824/
4. State report “On the state and use of mineral resources of the Russian Federation in 2012” (Mineral Information and Analytical Center LLC, 2013)
5. Mineral raw materials: from the bowels to the market 3, 105–114 (Nauchny Mir, 2011)