TY  - JOUR 
T1  - Structure and electronic properties of alkylthiophenes coupled by Head-to-Tail and Head-to-Head regioselectivity
JO  - Journal of the Brazilian Chemical Society
A1  - Oliveira, Marcos A. de
A1  - Almeida, Wagner B. de
A1  - Santos, Hélio F. dos
SN  - 0103-5053
UL  - 10.1590/S0103-50532004000600008
VL  - 15 
Y1  - 2004
PB  - Brazil 
ER  -