- Anderson , R.M. and May , R.M. 1982 . Directly transmitted infectious diseases: Control by vaccination . Science , 215 : 1053 – 1060 .
- Aron , J.L. 1990 . Multiple attractors in the response to a vaccination program . Theoret. Population Biol. , 38 : 58 – 67 .
- Bailey , N.T.J. 1975 . The mathematical theory of infectious diseases , Griffin, , London : Hygh Wycombe .
- Busenberg , S. and Cooke , K. 1993 . “ Vertically Transmitted Diseases ” . In Biomathematics-23 , New York : Springer-Verlag .
- Chow , S.N. and Hale , J. 1982 . Methods of Bifurcation Theory , New York : Springer-Verlag .
- Dietz , K. 1976 . “ The incidence of infectious diseases under the influence of seasonal fluctuations ” . In Lecture notes in biomathematics , Vol. 11 , 1 – 15 . Berlin,New York, Hedelberg : Springer-Verlag .
- Grossman , Z. 1980 . Oscillatory phenomena in a model of infectious diseases . Theoret. Population Biol. , 18 : 204 – 243 .
- Hale , J. 1980 . Ordinary differential equations , Huntington - New York : Krieger .
- Hale , J. and Tá , P. 1978 . Interaction of damping and forcing in a second order equation . Nonlinear Analysis T.M.A. , 2 : 77 – 84 .
- London , W.P. and Yorke , J.A. 1973 . Recurrent outbreaks of measlea, chickenpox and mumps. I. Seasonal variation in contact rates . Amer. J . Epidemiol. , 98 : 453 – 468 .
- Smith , H. 1983 . Multiple stable rubharmonics for a periodic epidemic model . J. Math. Biol. , 17 : 179 – 190 .
- Táboas , P. 1987 . Periodic solutions of a forced Lotka-Volterra Equation . J . Math. Anal. Appl. , 124 : 82 – 97 .
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