1. A. P. Tsai, Physical Properties of Quasicrystals, Ed. by Z. M. Stadnik (Springer-Verlag, New York, 1999).
2. Quasicrystals: Structure and Physical Properties, Ed. by H.-R. Trebin (Wiley-VCH, Weinheim, 2003).
3. E. Huttunen-Saarivitra, J. Alloys Compd. 363, 150 (2004).
4. J. Q. Guo, H. Hasegawa, A. P. Tsai, et al., J. Cryst. Growth 236, 477 (2002).
5. D. Joseph and V. Elser, Phys. Rev. Lett. 79, 1066 (1997).