@ARTICLE{
author={Zivkovic Dragana T,Strbac Nada D,Trujic Vlastimir K,Zivkovic Zivan D,Vuksan Marko,Zivkovic Zivan D,Milosavljevic B,Cocic Mira B,Andric Velibor Dj},
year={2004},
title={Physico-chemical investigation of slag occurrences - Rgotski Kamen Timok region, eastern Serbia},
journal={JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY},
volume={76},
number={1},
pages={227-235},
document_type={Article},
} 

@ARTICLE{
author={Nikolic Pantelija M,Radulovic Katarina T,Vasiljevic-Radovic Dana G,Blagojevic Vladimir D,Milosavljevic B,Dohcevic-Mitrovic Zorana D},
year={2002},
title={Far-infrared spectroscopy of PbTe doped with iron},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={67},
number={6},
pages={415-423},
document_type={Article},
}