TY  - JOUR 
T1  - Matter diffusion in hexagonal columnar phases
JO  - Brazilian Journal of Physics
A1  - Daoud, M.
A1  - Raïos, K.
A1  - Gharbia, M.
A1  - Gharbi, A.
A1  - Nguyen, H.T.
SN  - 0103-9733
UL  - 10.1590/S0103-97331998000400005
VL  - 28 
Y1  - 1998
PB  - Brasil 
ER  -