1. Iraq's biological weapons. The past as future?
2. Zilinskas RA, Tucker JB. Open scientific publications as a possible source of know-how for biological terrorism and warfare. J Homeland Security, 20 December 2002. Available at: http://www.homelandsecurity.org/journal/Articles/tucker.html. Accessed on 3 March 2005.
3. Alibek K, Handleman S. Biohazard: the chilling true story of the largest covert biological weapons program in the world-told from inside by the man who ran it. New York: Random House, 1999.
4. Popov, S. Interview-Serguei Popov, 1 November 2000. J Homeland Security, 13 November 2000. Available at: http://www.homelandsecurity.org/journal/Interviews/PopovInterview_001107.htm. Accessed on 3 March 2005.