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author={Tepavac Aleksandar,Secen Nevena M,Sazdanic-Velikic Danica S,Popovic G,Perin Branislav M},
year={2010},
title={Atelectasis: positive or negative prognostic factor on outcome of patients with non-small cell lung cancer?},
journal={JOURNAL OF BUON},
volume={15},
number={4},
pages={679-683},
document_type={Article},
} 

@ARTICLE{
author={Bjelic Slobodan,Popovic G},
year={2009},
title={Flexibility Equipment of Protection, Control and Measure for Mean and Low Electrical Network in Power Transformation Substations},
journal={ELEKTRONIKA IR ELEKTROTECHNIKA},
volume={},
number={4},
pages={27-32},
document_type={Article},
}