1. McElroy, Rodney. 1989.Briefing Book on Chemical Weapons, 3–4. Boston: Council for a Livable World Education Fund.
2. Utgoff, Victor A. 1991.The Challenge of Chemical Weapons: An American Perspective, 237New York: St. Martin's Press.
3. House Committee on Armed Services. February 23 1993.Countering the Chemical and Biological Weapons Threat in the Post‐Soviet World, February 23, 9–14. 22–4. Washington D.C.: U.S. Government Printing Office. 102d Congress, 2d Session