1. 1991. "Report on the OECD NEA Uranium Group Mission to the USSR,”. 20OECD. OECD experts point out that this might be an overestimate.
2. June 1994.The Global Uranium Market: Supply and Demand 1992–2010, June, 44–45. Uranium Institute.
3. Stein, J. 1994. “World Uranium Stockpiles: Potential Impact,”. paper presented at the International Uranium Fuel Seminar Beaver Creek. September25–281994, Colorado. Some estimates suggest a cumulative production of 740,000 tons natural uranium.
4. Cochran, T., Norris, R.S. and Bukharin, O. 1995."Making the Russian Bomb: From Stalin to Yeltsin,”, 52Westview Press. According to the “Agreement Between the Government of the United States of America and the Government of the Russian Federation Concerning the Shutdown of Plutonium Production Reactors and Cessation of the Use of Plutonium for Nuclear Weapons,” signed by U.S. Vice President Gore and Russia's Prime Minister Chernomyrdin on 23 June 1994, Russia agreed to shut down permanently by no later than the year 2000 all 13 of its graphite‐moderated plutonium production reactors.