@ARTICLE{
author={Ristovic Ivica M,Stojakovic Milan P,Vulic Milivoj I},
year={2010},
title={Recultivation and Sustainable Development of Coal Mining in Kolubara Basin},
journal={THERMAL SCIENCE},
volume={14},
number={3},
pages={759-772},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Ignjatovic Dragan M,Ristovic Ivica M,Stojakovic Milan P},
year={2000},
title={The methodology of the selection of auxiliary mechanisation for the open pit mines of lignite},
journal={MINE PLANNING AND EQUIPMENT SELECTION 2000},
volume={},
number={},
pages={577-581},
document_type={Proceedings Paper},
}