1. See e.g.: Proceedings of the International Workshop on Aperiodic Crystals, Gratias D., Michel L. Eds, J. Phys. (Paris) C3, 47 (1986);
2. The Physics of Quasicrystals, Steinhardt P.J., Ostlund S. Eds (Word Scientific, 1987). Quasicrystals: the State of the Art, DiVincenzo D., Steinhardt P.J. Eds (1991);
3. Proceedings of the 4th International Conference on Quasicrystals, to be published in J. Non-Cryst. Sol. (1992).
4. Schechtman D., Blech I., Gratias D., Cahn J.V., Phys. Rev. Lett. 53, 1951 (1984).
5. Pauling L., Nature (London) 317, 512 (1985).