1. Symbolic dynamics and Markov partitions;Adler;Bull. Amer. Math. Soc. (NS),1998
2. Similarity of Automorphisms of the Torus;Adler,1970
3. Self-organized criticality: An explanation of the 1/f noise;Bak;Phys. Rev. Lett.,1987
4. Self-organized criticality;Bak;Phys. Rev. A (3),1988
5. M. Barge, The Pisot Conjecture for β-substitutions, 2015. ArXiv e-prints arXiv:1505.04408.