@ARTICLE{
author={Djolic Maja B,Cujic Mirjana R,Stanisic Tijana Z,Zivojinovic Dragana,Ristic Mirjana Dj,Peric-Grujic Aleksandra A},
year={2022},
title={Contribution to the Serbian Coal Ranking and Fly Ash Characterization Using Pb Isotopic Ratio},
journal={METALLURGICAL & MATERIALS ENGINEERING},
volume={28},
number={4},
pages={675-684},
document_type={Article},
} 

@ARTICLE{
author={Ninkovic Vladan M,Ninkovic Srdjan M,Zivojinovic Dragana},
year={2008},
title={Cardiovascular Autonomous Dysfunction In Diabetics: The Influence Of Disease Duration, Glycoregulation Degree And Diabetes Type},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={136},
number={9-10},
pages={488-493},
document_type={Article},
}