TY  - JOUR 
T1  - Characterization of Bi4Ge3O12 single crystal by impedance spectroscopy
JO  - Materials Research
A1  - Macedo, Zélia Soares
A1  - Martinez, André Luiz
A1  - Hernandes, Antonio Carlos
SN  - 1516-1439
UL  - 10.1590/S1516-14392003000400026
VL  - 6 
Y1  - 2003
PB  - Brasil 
ER  -