1. Greenspan HP, Benney DJ, Turner JE (1986) Calculus. An introduction to applied mathematics, 2nd edn. McGraw-Hill, Toronto, ON
2. Weidlich W, Haag G (1983) Concepts and models of a quantitative sociology. The dynamics of interacting populations. Springer, Berlin
3. van Kampen NG (1981) Stochastic processes in physics and chemistry. North-Holland, Amsterdam
4. Taylor B (1717) Methodus incrementorum directa et inversa. Available at:
http://books.google.ch/books?hl=de&lr=&id=c5o_AAAAcAAJ&oi=fnd&pg=PA8&dq=B+Taylor+Methodus+incrementorum&ots=R-NcLbLUvC&sig=fKuURhXye3JU0nQB1rWN4pPrg1M
5. Gardiner CW (1985) Handbook of stochastic methods, 2nd edn. Springer, Berlin