@ARTICLE{
author={Grbovic Aleksandar M,Kastratovic Gordana M,Sedmak Aleksandar S,Eldwaib Khalid Ahmed,Kirin Snezana D},
year={2019},
title={Determination of optimum wing spar cross section for maximum fatigue life},
journal={INTERNATIONAL JOURNAL OF FATIGUE},
volume={127},
number={},
pages={305-311},
document_type={Article},
} 

@ARTICLE{
author={Eldwaib Khalid Ahmed,Grbovic Aleksandar M,Sedmak Aleksandar S,Kastratovic Gordana M,Petrasinovic Danilo M,Sedmak Simon A},
year={2018},
title={Fatigue Life Estimation of Damaged Integral Wing Spar Using XFEM},
journal={TEHNICKI VJESNIK-TECHNICAL GAZETTE},
volume={25},
number={6},
pages={1837-1842},
document_type={Article},
}