R.T. Collins, L. Vina, et al.
Physical Review B
R.T. Collins, L. Vina, et al.
Physical Review B
H. Sakaki, L.L. Chang, et al.
Applied Physics Letters
B. Jusserand, P. Voisin, et al.
Applied Physics Letters
L. Esaki
ICPS Physics of Semiconductors 1984