1. M.Tinkham, Introduction to superconductivity, (McGraw - Hill Inc. , New York , 1975)
2. Percolation, Localization and Superconductivity, A.M. Goldman and S.A. Wolf Eds.NATO ASI Series B, vol.109 (Plenum Press, New York 1984)
3. Single Charge tunneling H. Grabert and M.H. Devoret Eds., NATO ASI seires vol.294 (Plenum, NY 1992)
4. J.Bardeen, L.N.Cooper, J.R.Schrieffer, Phys. Rev. 108, 1175 (1957)
5. A.Barone, G.Paterno’, Physics and applications of the Josephson effect, (Wiley, New York, 1982 )