1. Organophosphorus Pesticides; Organic and Biological Chemistry;Eto,1974
2. The Chemistry of Organophosphorus Pesticides; Reactivity, Synthesis, Mode of Action, Toxicology;Fest,1973
3. United States Army Medical Research Institute of Chemical Defense (1995) Nerve Agents, in Medical Management of Chemical Casualties Handbook, 2nd ed., http://www.fas.org/nuke/guide/usa/doctrine/army/mmcch/NervAgnt.htm (accessed on 11/09/06).
4. Chemical warfare agents: II. nerve agents
5. Clinical and Experimental Toxicology of Organophosphates and Carbamates;Ballantyne,1992