1. Espie, David, 2016, Before the Committee on Transportation and Infrastructure's Subcommittee on Coast Guard and Maritime Transportation and the Committee on Homeland Security's Subcommittee on Border and Maritime Security, July 7. 2016.
2. CBP, 2017, https://www.dhs.gov/publication/automated-targeting-system-ats-update.
3. Bertozzi, W., Korbly, S.E., Ledoux, R.J., Park, W., Nucl. Inst. Meth. B. 261 (2007) 331-336, “Nuclear resonance fluorescence and effective Z determination applied to detection and imaging of special nuclear material, explosives, toxic substances and contraband”.
4. Areg Danagoulian, William Bertozzi, Curtis L. Hicks Jr., Alexei V. Klimenko, Stephen E. Korbly, Robert J. Ledoux, Cody M. Wilson, 2010, “Prompt Neutrons from Photofission and its use in Homeland Security Applications”, 2010 IEEE Conference on Technologies for Homeland Security, November 2010.
5. Medalia, J-1., 2010, Detection of Nuclear Weapons and Materials: Science, Technologies, Observations, pp. 55-62.