1. N.D. Mermin and N.W. Ashcroft, Solid State Physics (Holt, Rinehart, and Winston, New York, 1976), p. 214, et seq.
2. For a discussion of weak localization, see B.L. Al’tshuler, A.G. Aronov, D.E. Khmel’nitskii, and A.I. Larkin, in Quantum Theory of Solids ed. I.M. Lifshits (MIR, Moscow, 1982); or D.E. Khmel’nitskii, Physica 126B, 235 (1984).
3. R.A. Webb, S. Washburn, C.P. Umbach, and R.B. Laibowitz, in Localization, Interaction, and Transport Phenomena in Impure Metals, G. Bergmann, Y. Bruynseraede, and B. Kramer Eds. (Springer, Heidelberg, 1985)
4. C.P. Umbach, S. Washburn, R.B. Laibowitz, and R.A. Webb, Phys. Rev. B 30, 4048 (1984).
5. J.C. Licini, D.J. Bishop, M.A. Kastner, and J. Melngailis, Phys. Rev. Lett. 55, 2987 (1985).