1. Aloise, G. (2007). Combating nuclear smuggling: DHS’s decision to procure and deploy to the next generation of radiation detection equipment is not supported by its cost-benefit analysis (US Government Accountability Office Report GAO-07-581T).
2. AS&E (2008). Cargo & vehicle inspection. http://www.as-e.com/products_solutions/cargo_vehicle_inspection.asp . Accessed 26 December 2008.
3. Ball, D. Y. (1998). The US second line of defense: preventing nuclear smuggling across Russia’s borders. PONARS Policy Memo 50. Lawrence Livermore National Laboratory. http://www.csis.org/media/csis/pubs/pm_0050.pdf . Accessed 26 December 2008.
4. Bolch, G., Greiner, S., Meer, H. D., & Trivedi, K. S. (2006). Queueing networks and Markov chains: modeling and performance evaluation with computer science application. New Jersey: Wiley.
5. Boros, E., Fedzhora, L., Kantor, P. B., Saeger, K., & Stround, P. (2006). Large scale LP model for finding optimal container inspection strategies (Rutcor Research Report).