1. Automatic Sequences;Allouche,2003
2. Sturmian words;Berstel,2002
3. Least periods of factors of infinite words;Currie;Theor. Inform. Appl.,2009
4. The index of Sturmian sequences;Damanik;European J. Combin.,2002
5. Combinatorics of standard Sturmian words;de Luca,1997