1. Aldelson, M., 1976. An Introduction to Epidemiology. Macmillan, London.
2. Allison, A.C., 1963. Genetical Variation in Human Populations. Pergamon, Oxford.
3. Bainov, D., Simeonov, P., 1992. Integral Inequalities and Applications. Kluwer Academic, Dordrecht, The Netherlands.
4. Barlett, M.S., 1960. Stochastic Population Models in Ecology and Epidemiology. Methuen/Wiley, New York/London.
5. Caswell, H., 1989. Matrix Population Models. Sinauer Associates, Sunderland, MA.