1. Aktsipetrov, O. A., et. al.. Thin Solid Films. 294, 231. (1997)
2. Alphenaar, B. W., Z. A. K. Durrani, A. P. Heberle, and M. Wagner, Appl. Phys. Lett.. 66, 1234. (1995)
3. Balandin, A.. Ph.D. Thesis, University of Notre Dame. (1996)
4. Balandin, A., et. al.. Phys. Low Dim. Struct.. 11/12, 155. (1997)
5. Bandyopadhyay, S., V. P. Roychowdhury, and X. Wang. Phys. Low Dim. Struct.. Vol. 8/9, 29. (1995a)