Wilhelm, E., J. Siegel, S. Mayer, L. Sadamori, S. Dsouza, C.-K. Chau, and S. Sarma. “Cloudthink: A Scalable Secure Platform for Mirroring Transportation Systems in the Cloud”. Transport, vol. 30, no. 3, Oct. 2015, pp. 320–329, doi:10.3846/16484142.2015.1079237.