1. A contribution to the mathematical theory of epidemics;Kermack;Proc. Roy. Soc. A,1927
2. The mathematics of infectious diseases;Hethcote Herbert;SIAM Rev.,2000
3. Mathematical biology;Murray,2002
4. An exactly solvable model for the spread of disease;Mickens;College Math. J.,2012
5. R. Beckley, C. Weatherspoon, M. Alexander, M. Chandler, A. Johnson, G.S. Bhatt, Modeling Epidemics with Differential Equations, Tennessee State University Internal Report, 2013.