Do you want more information?
Here are some good sources of information:
Merav Datan and Jurgen Scheffran, Principles and Means for Verification of a Nuclear weapons Convention, INESAP Information Bulletin No. 14, Nov. 1997, p. 21.
Steve Fetter, Future Directions in Nuclear Arms Control and Verification, INESAP Information Bulletin No. 15, at p. 50.
Steve Fetter, Verifying Nuclear Disarmament, Henry L. Stimson Center Occasional Paper No. 29, October 1996.
Steve Fetter, A Comprehensive Transparency Regime for Warheads and Fissile Materials, Arms Control Today, January/February 1999.
David Fischer, Safeguards for a World Free of Nuclear Weapons, INESAP Information Bulletin No. 14, Nov. 1997, p. 30.
Patricia M. Lewis, Laying the Foundations for Getting to Zero: Verifying the Transition to Low Levels of Nuclear Weapons, VERTIC Research Report No.1 September 1998, published by the Verification Information Technology Centre, London.
Bhaskar Menon, Disarmament: A Basic Guide published by the UN , NY, 2001. Available at: http://disarmament.un.org/education/
Ministry of Defence (UK), A Summary Report by the Ministry of Defence on the Study conducted by the Atomic Weapons Establishment Aldermaston into the United Kingdoms Capabilities to Verify the Reduction and Elimination of Nuclear Weapons, published in 2000, found on the Federation of American Scientists website.
Annette Schaper, A Treaty on the Cutoff of Fissile Materials for Nuclear Weapons – What to cover? How to verify?, Summary, PRIF Report 48/1997
Annette Schaper, The Cutoff of Fissile Material for Nuclear Weapons: Scope and Verification, INESAP Information Bulletin No. 14, Nov. 1997, p.36.
Annette Schaper and Katja Frank, A Nuclear Weapon Free World – Can it be Verified? Peace Research Institute Frankfurt, PRIF Report No. 53.
Theodore B. Taylor, Global Abolition of Nuclear Weapons – Verification of Compliance and Deterrents to Violation Draft of Contributed Paper for 40th Pugwash Conference, 15 – 20 September 1990, Egham United Kingdom.
Verification and Enforcement, published by Institute for Energy and Environmental Research (IEER), in Energy & Security No. 12, Nuclear Weapons and the Rule of Law, Science for Democratic Action.