@ARTICLE{
author={Simic Sasa Z,Popovic Luka C,Andersen Michael I,Christensen Lise},
year={2007},
title={Mechanism of light curve variability in the gamma ray bursts},
journal={ASTROPHYSICS AND SPACE SCIENCE},
volume={309},
number={1-4},
pages={173-177},
document_type={Article},
} 

@ARTICLE{
author={Simic Sasa Z,Andersen Michael I,Popovic Luka C,Christensen Lise},
year={2005},
title={A model for temporal variability of the GRB light curve},
journal={Astrophysical Sources of High Energy Particles and Radiation},
volume={801},
number={},
pages={139-140},
document_type={Proceedings Paper},
}