1. Possible generalization of Boltzmann-Gibbs statistics
2. (Reviews updating the state of the art of Tsallis’ theory are regularly published, see, e.g., S. Abe, Y. Okamoto (Eds.), Nonextensive Statistical Mechanics and Its Applications, Springer, Berlin, 2001. Also, a constantly updated bibliography about the whole body of Tsallis’ theory is maintained on the web: http://152.84.252.115/TEMUCO.pdf.)
3. Dynamical Foundations of Nonextensive Statistical Mechanics
4. C. Beck, (cond-mat/0303288).
5. Superstatistics