1. M.-P. Béal, D. Perrin, Symbolic Dynamics and Finite automata. Handbook of Formal Languages, Vol. 2, Springer, Berlin, 1997, pp. 463–505.
2. T. Ceccherini-Silberstein, F. Fiorenzi, F. Scarabotti, The Garden of Eden theorem for cellular automata and for symbolic dynamical systems, in: Vadim A. Kaimanovich, Klaus Schmidt, Wolfgang Woess (Eds.), Proceedings of the Workshop on Random walks and geometry held at Erwin Schroedinger Institute for Mathematical Physics, Vienna, Austria, 18.06-13.07 2001, De Gruyter, Berlin, in press.
3. T. Ceccherini-Silberstein, F. Scarabotti, Random walks, entropy and hopfianity of free groups, in: Vadim A. Kaimanovich, Klaus Schmidt, Wolfgang Woess (Eds.), Proceedings of the Workshop on Random walks and geometry held at Erwin Schroedinger Institute for Mathematical Physics, Vienna, Austria, 18.06-13.07 2001, De Gruyter, Berlin, in press.
4. Growth and ergodicity of context-free languages;Ceccherini-Silberstein;Trans. Amer. Math. Soc.,2002
5. T. Ceccherini-Silberstein, W. Woess, Growth-sensitivity of context-free languages, Theoret. Comput. Sci. this volume (2003).