@ARTICLE{
author={Shao Jia,Ivanov Plamen Ch,Urosevic Branko,Eugene Stanley Harry,Podobnik Boris},
year={2011},
title={Zipf rank approach and cross-country convergence of incomes},
journal={EPL},
volume={94},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Podobnik Boris,Horvatic Davor,Petersen Alexander M,Urosevic Branko,Stanley Eugene H},
year={2010},
title={Bankruptcy risk model and empirical tests},
journal={PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA},
volume={107},
number={43},
pages={18325-18330},
document_type={Article},
}