@ARTICLE{
author={Stevanovic Branka M,Drazic Gordana D,Tomovic Gordana M,Sinzar-Sekulic Jasmina B,Melovski Ljupco,Novovic Ivana R,Markovic Dragan MI},
year={2010},
title={Accumulation of arsenic and heavy metals in some Viola species from an abandoned mine, Alchar, Republic of Macedonia (FYROM)},
journal={PLANT BIOSYSTEMS},
volume={144},
number={3},
pages={644-655},
document_type={Article},
} 

@ARTICLE{
author={Markovic Dragan MI,Novovic Ivana R,Vilotic Dragica,Ignjatovic Ljubisa M},
year={2009},
title={Determination of As in tree-rings of poplar (Populus alba L.) by U-shaped DC arc},
journal={ENVIRONMENTAL MONITORING AND ASSESSMENT},
volume={151},
number={1-4},
pages={377-382},
document_type={Article},
} 

@ARTICLE{
author={Markovic Dragan MI,Novovic Ivana R},
year={2008},
title={Spectrochemical determination of trace As, Fe, Hg, Mn, and Pb by an argon-stabilized U-shaped DC arc},
journal={JOURNAL OF ANALYTICAL CHEMISTRY},
volume={63},
number={9},
pages={836-839},
document_type={Article},
} 

@ARTICLE{
author={Markovic Dragan MI,Novovic Ivana R,Vilotic Dragica,Ignjatovic Ljubinko M},
year={2007},
title={Determination of Fe, Hg, Mn, and Pb in tree-rings of poplar (Populus alba L.) by U-shaped DC arc},
journal={RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A},
volume={81},
number={9},
pages={1493-1496},
document_type={Article},
} 

@ARTICLE{
author={Novovic Ivana R,Nikolic Vladimir M,Markovic Dragan MI},
year={2007},
title={Spectrochemical determination of trace uranium by an argon-stabilized U-shaped DC arc},
journal={JOURNAL OF ANALYTICAL CHEMISTRY},
volume={62},
number={9},
pages={837-839},
document_type={Article},
} 

@ARTICLE{
author={Novovic Ivana R,Markovic D,Nikolic V},
year={2007},
title={The possibility of application of the U-shaped DC arc in the ecology},
journal={Six International Conference of the Balkan Physical Union},
volume={899},
number={},
pages={744-744},
document_type={Proceedings Paper},
}