@ARTICLE{
author={Stoiljkovic Dragoslav M,Pilic Branka M,Bulajic Misa,Djurasovic Nebojsa,Ostrovski Nikolaj M},
year={2008},
title={The charge percolation mechanism and simulation of Ziegler-Natta polymerizations. Part VII. Effects of the distribution of chromium active centers on silica on the polymerization of ethylene},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={73},
number={1},
pages={97-111},
document_type={Article},
} 

@ARTICLE{
author={Stoiljkovic Dragoslav M,Pilic Branka M,Bulajic Misa,Djurasovic Nebojsa,Ostrovski Nikolaj M},
year={2007},
title={The charge percolation mechanism and simulation of Ziegler-Natta polymerizations. Part VI. Mechanism of ethylene polymerization by supported chromium oxide},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={72},
number={11},
pages={1155-1169},
document_type={Article},
}