1. See for example B. A. Abeles in Applied Solid State Science, “Granular Metal Films”, edited by R. Wolfe (Academic, New York, 1976) 6, 1; B. A. Abeles, H. L. Pinsh, and J. I. Gittleman, “Percolation Conductivity in W-A12O3 Granular Metal Films”, Phys. Rev. Lett. 35, 247 (1976); or C. J. Lobb, M. Tinkham, and W. J. Skocpol, “Percolation in Inhomogeous Superconducting Composite Wires”, Solid State Coram. 27, 1253 (1978).
2. R. B. Laibowitz, E. I. Alessandrini and G. Deutscher, “Cluster-size distribution in A12O3 films near the metal-insulator transition”, Phys. Rev. B25, 2965 (1982).
3. E. I. Alessandrini, R. B. Laibowitz, C. R. Guarnieri, R. F. Voss and D. S. MacLachlan, “Cluster Formation in Thin Au Films near the Metal-Insulator Transition”, Proc. Electron. Microscopy Soc. Amer., 40, 732 (1982) or R. B. Laibowitz, E. I. Alessandrini, C. R. Guarnieri and R. F. Voss, “Cluster Formation and the Percolation Threshold in Thin Au Films”, A1, 438 (1983); see also Ref. 6.
4. E. Bassous, R. Feder, E. Spiller and J. Topalian, “High Transmission X-ray Masks for Lithographic Applications”, Sol. St. Tech. 19, 55 (1976).
5. R. B. Laibowitz and A. N. Broers, “Fabrication and Physical Properties of Ultra-Small Structures”, in Treatise on Materials Science and Technology, (Academic Press, New York, 1982), 24, 237 (1982).