1. Drell S. D., Goodby J. E., The Gravest Danger: Nuclear Weapons (Hoover Institution Press, Stanford, CA, 2003), p. 134.
2. Kothari S., Mian Z., Eds. in Out of the Nuclear Shadow (Zed Books, London, 2001), p. 525.
3. Shultz G. P., Perry W. J., Kissinger H. A., Nunn S., Wall Street JournalA15 (4 January 2007).
4. Toon O. B., et al., Atmos. Phys. Chem. Disc.6, 11745 (2006).
5. Robock A., et al., Atmos. Phys. Chem. Disc.6, 11817 (2006).