@ARTICLE{
author={Vracar Rajko Z,Vukcevic SM,Parezanovic IS,Kamberovic Zeljko J},
year={2001},
title={The study of iron chlorination from bauxite for its enrichment},
journal={SCANDINAVIAN JOURNAL OF METALLURGY},
volume={30},
number={2},
pages={84-90},
document_type={Article},
} 

@ARTICLE{
author={Vracar Rajko Z,Parezanovic IS,Cerovic Katarina P},
year={2000},
title={Leaching of copper(I) sulfide in calcium chloride solution},
journal={HYDROMETALLURGY},
volume={58},
number={3},
pages={261-267},
document_type={Article},
}