@ARTICLE{
author={Konstantinovic Branko,Meseldzija Maja U,Korac Milena},
year={2012},
title={Qualitative and Quantitative Content of Soil Weed Seed Bank in Sunflower Crop},
journal={BULGARIAN JOURNAL OF AGRICULTURAL SCIENCE},
volume={18},
number={3},
pages={348-353},
document_type={Article},
} 

@ARTICLE{
author={Konstantinovic Branko,Meseldzija Maja U,Korac Milena,Konstantinovic Bojan B},
year={2011},
title={Study of weed seedbank in soybean crop},
journal={AFRICAN JOURNAL OF AGRICULTURAL RESEARCH},
volume={6},
number={10},
pages={2316-2320},
document_type={Article},
}