TY  - JOUR 
T1  - Impurity breakdown in GaAs samples grown by molecular beam Epitaxy
JO  - Brazilian Journal of Physics
A1  - Rubinger, R.M.
A1  - Oliveira, A.G. de
A1  - Ribeiro, G.M.
A1  - Bezerra, J.C.
A1  - Silva, C.M.
A1  - Rodrigues, W.N.
A1  - Moreira, M.V.B.
SN  - 0103-9733
UL  - 10.1590/S0103-97331999000400038
VL  - 29 
Y1  - 1999
PB  - Brazil 
ER  -