S. Washburn, R.A. Webb, et al.
Physical Review B
No abstract available.
S. Washburn, R.A. Webb, et al.
Physical Review B
E. Mendez, L.L. Chang, et al.
Physical Review B
L. Esaki, L.L. Chang
Physical Review Letters
J. Beerens, G. Grégoris, et al.
Physical Review B