1. G. Kasner, H. Wegman, and H. Bottger, in Quasicrystals, Structure and Physical Properties, Ed. by H.-R. Trebin (Wiley, Weinheim, 2003), p. 272.
2. K. Urban, M. Feuerbacher, M. Wollgarten, M. Bartsch, and U. Messerschmidt, in Physical Properties of Quasicrystals, Ed. by Z. M. Stadnik (Springer, Berlin, 1999), p. 361.
3. C. Berger, in Lectures on Quasicrystals, Ed. by F. Hippert and D. Gratias (Les Editions de Physique, Les Ulis, France, 1994), p. 463.
4. M. Kleman, Eur. Phys. J. B 31, 315 (2003).
5. J. E. S. Socolar, T. C. Lubensky, and P. J. Steinhardt, Phys. Rev. B: Condens. Matter 34, 3345 (1986).