1. Groups of polynomial growth and expanding maps;Gromov;Publ. Math. IHÉS,1981
2. On the Milnor problem of group growth;Grigorchuk;Dokl. Akad. Nauk SSSR,1983
3. How Groups Grow;Mann,2012
4. Self-Similar Groups;Nekrashevych,2005
5. Topics in Geometric Group Theory;de la Harpe,2000