== Udvalgt bibliografi ==
* ''Deterrence and Influence in Counterterrorism: A Component in the War on Al Qaeda'' {{ISBN|0-8330-3286-0}}
* '' Toward a Conceptual Framework for Operational Arms Control in Europe's Central Region'' {{ISBN|0-8330-0951-6}}
* ''Portfolio-analysis Tool for Missile Defense'' {{ISBN|0-8330-3801-X}}
* ''100 Decisive Battles: From Ancient Times to the Present '' {{ISBN|0-19-514366-3}}
* ''Besieged: 100 Great Sieges from Jericho to Sarajevo '' {{ISBN|0-7567-8538-3}}
* ''Encyclopedia of Warrior Peoples & Fighting Groups '' {{ISBN|1-59237-116-7}}
* ''Encyclopedia of Invasions and Conquests: from ancient times to the present'' {{ISBN|1-59237-114-0}}
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