@ARTICLE{
author={Brankovic Goran O,Brankovic Zorica M,Davolos MR,Cilense Mario,Varela Jose Arana},
year={2004},
title={Influence of the common varistor dopants (CoO, Cr2O3 and Nb2O5) on the structural properties of SnO2 ceramics},
journal={MATERIALS CHARACTERIZATION},
volume={52},
number={4-5},
pages={243-251},
document_type={Article},
} 

@ARTICLE{
author={Brankovic Goran O,Brankovic Zorica M,Santos LPS,Longo Elson,Davolos MR,Varela Jose Arana},
year={2003},
title={Spectroscopic studies of SnO2 doped with Cr, Co or Nb},
journal={ADVANCED POWDER TECHNOLOGY III},
volume={416-4},
number={},
pages={651-655},
document_type={Article},
}