@ARTICLE{
author={Milojkovic Jelena Z,Jankovic Sladjana R,Kostic Miroljub V,Despotovic-Zrakic Marijana S,Bogdanovic Zorica M},
year={2012},
title={Building Public Key Infrastructure for E-Government},
journal={METALURGIA INTERNATIONAL},
volume={17},
number={10},
pages={227-234},
document_type={Article},
} 

@ARTICLE{
author={Jankovic Sladjana R,Milojkovic Jelena Z,Mladenovic Snezana,Despotovic-Zrakic Marijana S,Bogdanovic Zorica M},
year={2012},
title={Cloud Computing Framework for B2b Integrations in the Traffic Safety Area},
journal={METALURGIA INTERNATIONAL},
volume={17},
number={9},
pages={166-173},
document_type={Article},
}