@ARTICLE{
author={Popovic Dragan P},
year={2010},
title={An Efficient Unified Methodology for Steady-State Security Assessment of Electric Power Interconnection},
journal={INTERNATIONAL REVIEW OF ELECTRICAL ENGINEERING-IREE},
volume={5},
number={1},
pages={241-249},
document_type={Article},
} 

@ARTICLE{
author={Popovic Dragan P,Dobrijevic Djordje M,Mijuskovic Neso A,Vlaisavljevic Dragan J},
year={2001},
title={An advanced methodology for steady-state security assessment of power systems},
journal={EUROPEAN TRANSACTIONS ON ELECTRICAL POWER},
volume={11},
number={4},
pages={227-233},
document_type={Article},
} 

@ARTICLE{
author={Popovic Dragan P,Mijailovic Snezana V},
year={2000},
title={An efficient methodology for the analysis of primary frequency control of electric power systems},
journal={INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS},
volume={22},
number={5},
pages={331-341},
document_type={Article},
}