R.T. Collins, L. Vina, et al.
Physical Review B
No abstract available.
R.T. Collins, L. Vina, et al.
Physical Review B
L. Esaki, L.L. Chang
Physical Review Letters
L. Vina, E. Mendez, et al.
Journal of Physics C: Solid State Physics
L. Esaki
NATO Advanced Study Institute 1984