TY  - JOUR 
T1  - Twenty years of research on cholesteric lyotropic liquid crystals at the Chemistry Institute of the University of São Paulo
JO  - Brazilian Journal of Physics
A1  - Alcantara, M. R.
A1  - Fernandes Jr., E. G.
SN  - 0103-9733
UL  - 10.1590/S0103-97332002000300009
VL  - 32 
Y1  - 2002
PB  - Brasil 
ER  -