Elzie, ME, Terra, Erika Frydenlund, MS, Andrew J. Collins, PhD, and R. Michael Robinson, PhD. “Conceptualizing Intragroup and Intergroup Dynamics Within a Controlled Crowd Evacuation”. Journal of Emergency Management 13, no. 2 (March 1, 2015): 109–120. Accessed April 15, 2024. https://wmpllc.org/ojs/index.php/jem/article/view/350.