1. Akhavi, A., Klimann, I., Lombardy, S., Mairesse, J., Picantin, M.: On the finiteness problem for automaton (semi) groups. Int. J. Algebra Comput. 22(6), 26 (2012)
2. Bartholdi, L., Silva, P.V.: Rational Subsets of Groups, vol. Handbook of Automata Theory, Chap. 23
3. Bondarenko, I., Ceccherini-Silberstein, T., Donno, A., Nekrashevych, V.: On a family of schreier graphs of intermediate growth associated with a self-similar group. Eur. J. Comb. 33(7), 1408–1421 (2012)
4. Bondarenko, I., D’Angeli, D., Nagnibeda, T.: Ends of Schreier graphs of self-similar groups. In preparation
5. D’Angeli, D., Donno, A., Matter, M., Nagnibeda, T.: Schreier graphs of the Basilica group. J. Mod. Dyn. 2(24), 153–194 (2010)