R.B. Laibowitz, L. Esaki, et al.
Physics Letters A
No abstract available.
R.B. Laibowitz, L. Esaki, et al.
Physics Letters A
A.D. Benoit, S. Washburn, et al.
Physical Review Letters
R.T. Collins, Z. Schlesinger, et al.
Physical Review Letters
A.F. Mayadas
Journal of Applied Physics