1. S. M. Sze,Semiconductor Devices,Physics and Technology, John Wiley & Sons Inc., New York, (1985).
2. D. V. Averin and K. K. Likharev,Mesoscopic Phenomena in Nanostructures, B. L. Altshuler, P. A. Lee, and R. A. Webb, Editors, North-Holland, Amsterdam (1991).
3. E. H. Rhoderick and R. H. Williams,Metal-Semiconductor Contacts, Oxford University Press, New York, (1978).
4. Damascene copper electroplating for chip interconnections