1. A contribution to the mathematical theory of epidemics;Kermack;Proc. R. Soc. A,1927
2. Infectious Diseases of Humans, Vol. 1;Anderson,1991
3. The mathematics of infectious diseases;Hethcote;SIAM Rev.,2000
4. Modeling Infectious Diseases in Humans and Animals;Keeling,2008
5. Mathematical Tools for Understanding Infectious Disease Dynamics;Diekmann,2013