1. For a review on UCF, see, B.L. Altshuler, P.A. Lee, R.A. Webb (Eds.), Mesoscopic Phenomena in Solids, Amsterdam, Elsevier, 1991; Y. Imry, Introduction to Mesoscopic Physics, Oxford University Press, New York, Oxford, 1997.
2. A.A. Bobkov, V.I. Falko, D.E. Khmelnitskii, Zh. Eksp. Teor. Fiz. 98 703 (1990) [Sov. Phys.: JETP 71 393 (1990)]; V.I. Falko, J. Phys.: Condens. Matter 4 3943 (1992).
3. Anderson Localization;Benoit,1988
4. See, J.A. Mydosh, Spin Glasses: An Experimental Introduction, Taylor & Francis, London, 1993; K. Binder, A.P. Young, Rev. Mod. Phys. 58 801 (1986).
5. S. Hershfield, Phys. Rev. B 44 3320 (1991);