1. Snow, R. L.Deadly Cults: The Crimes of True Believers;Praeger Publishers:Westport, CT. 2003; pp49.
2. U.S, Congress Senate, Committee on Governmental Affairs. Terrorism through the Mail: Protecting Postal Workers and the Public: Joint Hearings before the Committee on Governmental Affairs, United States Senate and the Subcommittee on International Security, Proliferation and Federal Services, One Hundred Seventh Congress, first session, October 30 and 31, 2001. Washington: U.S. G.P.O. 2002.
3. Volchek, K.; Fingas, M.; Hornof, M.; Boudreau, L.; Yanofsky, N.Decontamination in the Event of a Chemical or Biological Terrorist Attack. Protection of Civilian Infrastructure from Acts of Terrorism;Springer:Netherlands, 2006; pp125–145.
4. NBC Decontamination, Field Manual 3-5;U.S. Army, Jan 2002, (unclassified).
5. Decontamination of chemical warfare agents