1. Nuclear Terrorism Fact Sheet, Belfer Center for Science and International Affairs;Allison,2010
2. Container Security Initiative in Summary, U.S. Customs and Border Protection, U.S. Department of Homeland Security, May 2011.
3. Jonathan Medalia, Detection of Nuclear Weapons and Materials: Science, Technologies, Observations, CRS Report for Congress, 2010, pp. R40154.
4. Detecting nuclear materials smuggling: using radiography to improve container inspection policies;Gaukler;Ann. Oper. Res.,2011
5. Detection of Special Nuclear Material in Cargo Containers using Neutron Interrogation;Slaughter,2003