@ARTICLE{
author={Vidanovic Nebojsa,Tokalic Rade D,Ognjanovic Sasa,Savic Ljubinko D,Savic Ljiljana B},
year={2011},
title={Techno-economic assessment of cost-effectiveness of Boron minerals exploitation},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={6},
number={4},
pages={1053-1057},
document_type={Article},
} 

@ARTICLE{
author={Vidanovic Nebojsa,Ognjanovic Sasa,Ilincic Nebojsa,Ilic Nebojsa,Tokalic Rade D},
year={2011},
title={Application of unconventional methods of underground premises construction in coal mines},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={6},
number={4},
pages={861-865},
document_type={Article},
}