TY  - JOUR 
T1  - Big extra dimensions make lambda too small
JO  - Brazilian Journal of Physics
A1  - Sorkin, Rafael D.
SN  - 0103-9733
UL  - 10.1590/S0103-97332005000200012
VL  - 35 
Y1  - 2005
PB  - Brasil 
ER  -