See, in particular, KhartukovE.M.World oil market: Structural changes and price swings. Petroleum Review, June 1989, Vol. 403, No. 509, pp. 275–277; KhartukovE.M. and SurovtsevD.A.Ex-Soviet oil on the global market: Beware of the dog!, OPEC Bulletin, June 1992, pp. 13–24.
2.
Russian Energy Prices, Taxes and Costs 1993. Paris: OECD/IEA, 1994, p. 82.
3.
Depth of refining (or processing) is a measure of refinery performance commonly used in the FSU countries and defined as follows: (Refinery Throughput – Furnace Fuel Oil Output – Refinery Losses) × Refinery Throughput X 100%.
4.
KhartukovE.M.Price Implications for Russia's Oil Refining. Energy Exploration & Exploitation, 1998, Vol. 16, No. 6, pp. 503–518.