1. J.P. Bouchaud, M. Potters, Theory of Financial Risk, Alea-Saclay, Eyrolles, Paris, 1997 (in French).
2. An Introduction to Econophysics: Correlations and Complexity in Finance;Mantegna,1999
3. A. Weron, R. Weron, Financial Engineering: Derivatives Pricing, Computer Simulations, Market Statistics, WNT, Warsaw, 1998 (in Polish).
4. Fractal Market Analysis;Peters,1994
5. A geographical model for the daily and weekly seasonal volatility in the foreign exchange market