@ARTICLE{
author={Sefrna Ludek,Previtali Franco,Comolli Roberto,Cantelli Davide,Zdravkovic Mirjana S},
year={2008},
title={Trace elements in soils in the northern and the central Tian-Shan (Kazakhstan-Kyrgyzstan)},
journal={GEOGRAFIE},
volume={113},
number={3},
pages={253-268},
document_type={Article},
} 

@ARTICLE{
author={Mrvic Vesna V,Jakovljevic Miodrag D,Stevanovic Dragi R,Cakmak Dragan B,Zdravkovic Mirjana S},
year={2008},
title={Methods for the determination of the form of aluminium: Pseudogley soils},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={73},
number={6},
pages={673-680},
document_type={Article},
}