HANNA, Eriny. The Route to Crisis: Cities, Trade, and Epidemics of the Roman Empire. Vanderbilt Undergraduate Research Journal, [S.l.], v. 10, oct. 2015. ISSN 1555-788X. Available at: <http://vurj.vanderbilt.edu/index.php/vurj/article/view/4109>. Date accessed: 13 dec. 2017. doi: https://doi.org/10.15695/vurj.v10i0.4109.