1. The undecidability of the Domino problem;Berger;Mem. Amer. Math. Soc.,1966
2. The automorphism group of a shift of finite type;Boyle;Trans. Amer. Math. Soc.,1988
3. Burton, R. and J. Steif - Nonuniqueness of measures of maximal entropy for subshifts of finite type. Ergod. Th. and Dyn. Sys., to appear.
4. A variational principle for the pressure of a continuousZ2-action on a compact metric space;Elsanousi;Amer. J. Math.,1977
5. Transformations commuting with the shift;Hedlund,1968