TY  - JOUR 
T1  - Preparation and general physical properties of polycrystalline PrBa2Cu3O7-y obtained from sol-gel precursors
JO  - Brazilian Journal of Physics
A1  - Meza, V. A.
A1  - Gratens, X.
A1  - Jardim, R. F.
A1  - Ben-Dor, L.
SN  - 0103-9733
UL  - 10.1590/S0103-97332002000400010
VL  - 32 
Y1  - 2002
PB  - Brasil 
ER  -