TY  - JOUR 
T1  - High frequency dielectric relaxation in lanthanum modified PbTiO3 ferroelectric ceramics
JO  - Materials Research
A1  - Guerra, José de los Santos
A1  - Eiras, José Antonio
SN  - 1516-1439
UL  - 10.1590/S1516-14392004000200017
VL  - 7 
Y1  - 2004
PB  - Brasil 
ER  -