TY  - JOUR 
T1  - Characterization of Pt/HUSY and Pt-Ni/HUSY catalysts by transmission electron microscopy
JO  - Materials Research
A1  - Jordão, Maura H.
A1  - Valencia, Eduardo
A1  - Vicemário, Simões
A1  - Cardoso, Dilson
SN  - 1516-1439
UL  - 10.1590/S1516-14391999000300018
VL  - 2 
Y1  - 1999
PB  - Brasil 
ER  -