1. FEMA. Incident Command System. 2013. Available at: http://www.fema.gov/emergency/nims/IncidentCommandSystem.shtm. Accessed October 3, 2016.
2. Department of Homeland Security. National Incident Management System training program. September 2011. Available at: http://www.fema.gov/pdf/emergency/nims/nims_training_program.pdf. Accessed October 3, 2016.
3. Robert Wood Johnson Foundation. Nicole Lurie: strength needed in time of emergency. 2011. Available at: http://www.rwjf.org/en/culture-of-health/2011/04/nicole-lurie-strength-needed-in-time-of-emergency.html. Accessed October 3, 2016.
4. Department of Homeland Security. National Incident Management System Training Program. 2011. Available at: http://www.fema.gov/pdf/emergency/nims/nims_training_program.pdf. Accessed October 3, 2016.
5. Conventional explosions at a mass gathering;Friedman,2006