@ARTICLE{
author={Krstic Stefan,Todorovic-Drakul Miljana,Grekulovic Sanja M,Petkovic Dusan S,Odalovic Oleg R},
year={2025},
title={Comparison of Total Electron Content Sources Over Europe During Solar Minimum and Maximum Years (2020 and 2024)},
journal={GEODETSKI VESTNIK},
volume={69},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Petkovic Dusan S,Odalovic Oleg R,Nina Aleksandra M,Todorovic-Drakul Miljana,Kolarski Aleksandra B,Grekulovic Sanja M,Krstic Stefan},
year={2025},
title={Development of High-Precision Local and Regional Ionospheric Models Based on Spherical Harmonic Expansion and Global Navigation Satellite System Data in Serbia},
journal={ATMOSPHERE},
volume={16},
number={5},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Odalovic Oleg R,Petkovic Dusan S,Grekulovic Sanja M,Todorovic-Drakul Miljana},
year={2024},
title={A Compliance Assessment of Gnss Station Networks in Serbia},
journal={JOURNAL OF THE GEOGRAPHICAL INSTITUTE JOVAN CVIJIC SASA},
volume={74},
number={1},
pages={47-61},
document_type={Article},
} 

@ARTICLE{
author={Nina Aleksandra M,Nico Giovanni,Odalovic Oleg R,Cadez Vladimir M,Todorovic-Drakul Miljana,Radovanovic Milan M,Popovic Luka C},
year={2020},
title={GNSS and SAR Signal Delay in Perturbed Ionospheric D-Region During Solar X-Ray Flares},
journal={IEEE GEOSCIENCE AND REMOTE SENSING LETTERS},
volume={17},
number={7},
pages={1198-1202},
document_type={Article},
} 

@ARTICLE{
author={Odalovic Oleg R,Todorovic-Drakul Miljana,Grekulovic Sanja M,Popovic Jovan B,Joksimovic Danilo S},
year={2018},
title={Chronology of the development of geodetic reference networks in Serbia},
journal={SURVEY REVIEW},
volume={50},
number={359},
pages={163-173},
document_type={Article},
} 

@ARTICLE{
author={Todorovic-Drakul Miljana,Samardzic-Petrovic Mileva,Grekulovic Sanja M,Odalovic Oleg R,Blagojevic Dragan M},
year={2018},
title={Modelling extreme values of the total electron content: Case study of Serbia},
journal={GEOFIZIKA},
volume={34},
number={2},
pages={297-314},
document_type={Article; Proceedings Paper},
} 

@ARTICLE{
author={Odalovic Oleg R,Grekulovic Sanja M,Joksimovic Danilo S,Todorovic-Drakul Miljana,Popovic Jovan B},
year={2016},
title={Selection of the Global Geopotential Model 2008 Optimal Degree for Height Anomalies Determination},
journal={INFORMATICS, GEOINFORMATICS AND REMOTE SENSING CONFERENCE PROCEEDINGS, SGEM 2016, VOL II},
volume={},
number={},
pages={539-546},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Odalovic Oleg R,Grekulovic Sanja M,Joksimovic Danilo S,Todorovic-Drakul Miljana,Popovic Jovan B},
year={2016},
title={Determination of Discrete Values of Anomaly Heights at Territory of Montenegro},
journal={INFORMATICS, GEOINFORMATICS AND REMOTE SENSING CONFERENCE PROCEEDINGS, SGEM 2016, VOL II},
volume={},
number={},
pages={177-184},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Todorovic-Drakul Miljana,Cadez Vladimir M,Bajcetic Jovan B,Popovic Luka C,Blagojevic Dragan M,Nina Aleksandra M},
year={2016},
title={Behaviour of Electron Content in the Ionospheric D-Region During Solar X-Ray Flares},
journal={Serbian Astronomical Journal},
volume={193},
number={0},
pages={11-18},
document_type={Article},
} 

@ARTICLE{
author={Blagojevic Dragan M,Todorovic-Drakul Miljana,Odalovic Oleg R,Grekulovic Sanja M,Popovic Jovan B,Joksimovic Danilo S},
year={2016},
title={Variations of Total Electron Content Over Serbia During the Increased Solar Activity Period in 2013 and 2014},
journal={Geodetski Vestnik},
volume={60},
number={4},
pages={734-744},
document_type={Article},
} 

@ARTICLE{
author={Odalovic Oleg R,Grekulovic Sanja M,Vasiljevic Ivana,Todorovic-Drakul Miljana,Popovic Jovan B},
year={2015},
title={Transformation of Gravimetric Geoid/Quasigeoid in the System of Orthometric/Normal Heights of Serbia Leveling Network},
journal={INFORMATICS, GEOINFORMATICS AND REMOTE SENSING, VOL II (SGEM 2015)},
volume={},
number={},
pages={593-601},
document_type={Proceedings Paper},
}