@ARTICLE{
author={Ognjanovic Stevan M,Tokic Ivan,Cvejic Zeljka N,Rakic Srdjan J,Srdic Vladimir V},
year={2014},
title={Structural and dielectric properties of yttrium substituted nickel ferrites},
journal={MATERIALS RESEARCH BULLETIN},
volume={49},
number={},
pages={259-264},
document_type={Article},
} 

@ARTICLE{
author={Bajac Branimir M,Vukmirovic Jelena,Tokic Ivan,Bajac Branimir M,Srdic Vladimir V},
year={2013},
title={Synthesis and characterization of multilayered BaTiO3/NiFe2O4 thin films},
journal={PROCESSING AND APPLICATION OF CERAMICS},
volume={7},
number={1},
pages={15-20},
document_type={Article},
}