1. Kristensen, H. M. 2012. “Non-Strategic Nuclear Weapons.” Special Report No. 3. Federation of American Scientists, May. http://www.fas.org/_docs/Non_Strategic_Nuclear_Weapons.pdf
2. Russian Federation. 2010. The Military Doctrine of the Russian Federation, Approved by Russian Federation Presidential Edict on 5 February 2010, published on the Russian presidential website on February 8. Translation by Open Source Center via World News Connection.
3. Russian Federation. 2014. Military Doctrine of the Russian Federation, Approved by Russian Federation President V. Putin, published on the Russian Presidential Website on December 26, Section 27. The document is not available on the English version of the web site. Translation via BBC Monitoring.
4. Russia’s Nuclear Policy: Worrying for the Wrong Reasons