1. Bainov, D.D., Simeonov, P.S.: Systems with Impulse Effect: Stability Theory and Applications Ellis. Horwood Ser Mathematics and its Applications. Ellis Horwood Ltd., Chichester (1989)
2. Bainov, D.D., Simeonov, P.S.: Impulsive Differential Equations: Periodic Solutions and Applications. Pitman Monographs and Surveys in Pure and Applied Mathematics, vol. 66. Longman Scientific & Technical, Harlow (1993)
3. Bainov, D.D., Simeonov, P.S.: Impulsive Differential Equations, Asymptotic Properties of the Solutions. Series on Advances in Mathematics for Applied Sciences 28. World Scientific Publishing CoPte. Ltd., Singapore (1995)
4. Barclay, H.J.: Models for pest control using predator release, habitat management and pesticide release in combination. J. Appl. Ecol. 19, 337–348 (1982)
5. Brauer, F., Nohel, J.A.: The Qualitative Theory of Ordinary Differential Equations. Dover, New York (1989)