1. Pulse mass measles vaccination across age cohorts;Ager;Proc. Natl. Acad. Sci. USA,1993
2. D. Bainov, P. Simeonov, Impulsive differential equations: periodic solutions and applications, Pitman Monographs and Surveys in Pure and Applied Mathematics, vol. 66, 1993.
3. Models for pest control using predator release;Barclay;habitat management and pesticide release in combination, J. Appl. Ecol.,1982
4. Pulse vaccination strategy in the SIR epidemic model;d’Onofrio;Math. Comput. Modelling,2002
5. Stability properties of pulse vaccination strategy in SEIR epidemic model;d’Onofrio;Math. Biosci.,2002