@ARTICLE{
author={Cojbasic Zarko M,Nikolic Vlastimir D,Ciric Ivan T,Cojbasic Ljubica R},
year={2011},
title={Computationally Intelligent Modelling and Control of Fluidized Bed Combustion Process},
journal={THERMAL SCIENCE},
volume={15},
number={2},
pages={321-338},
document_type={Article},
} 

@ARTICLE{
author={Stefanovic Gordana M,Sekulic Zivko T,Cojbasic Ljubica R,Jovanovic Vladimir D},
year={2007},
title={Hydration of mechanically activated mixtures of Portland cement and fly ash},
journal={CERAMICS-SILIKATY},
volume={51},
number={3},
pages={160-167},
document_type={Article},
} 

@ARTICLE{
author={Stefanovic Gordana M,Cojbasic Ljubica R,Sekulic Zivko T,Matijasevic Srdjan D},
year={2007},
title={Hydration study of mechanically activated mixtures of Portland cement and fly ash},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={72},
number={6},
pages={591-604},
document_type={Article},
}