1. Analysis and Control of Age-Dependent Population Dynamics;Aniţa,2000
2. M. Iannelli, Mathematical Theory of Age-Structured Population Dynamics. Applied Mathematics Monographs – C.N.R., Giardini Editori e Stampatori, Pisa, 1995.
3. Mathematics in Population Dynamics;Thieme,2003
4. Theory of Nonlinear Age-Dependent Population Dynamics;Webb,1985
5. Global behaviour of age-dependent logistic population models;Chan;J. Math. Biol.,1990