R. Berger, The undecidability of the domino problem, vol.66, pp.201-213, 1966.

N. Dolbilin, The countability of a tilling family and the periodicity o f a tilling, Discrete and Computational Geometry, vol.13, pp.405-414, 1995.

Y. Gurevich and I. Koriakov, A remark on Berger's paper on the domino problem, Siberian Journal of Mathematics, vol.13, pp.459-463, 1972.

J. Kari and K. Cullik, An aperiodic set of wang cubes, 1995.

R. Robinson, Undecidability and nonperiodicity of tilling of the plane. Iventiones math, vol.12, pp.177-209, 1971.

H. Wang, Proving thorems by patern recognition-II, Bell System Tech. J, vol.40, pp.1-41, 1961.
DOI : 10.1002/j.1538-7305.1961.tb03975.x

H. Wang, Dominoes and the AEA case of the decision problem, Mathematical theory of automata, pp.23-55, 1963.