@ARTICLE{
author={Tyr Stefan,Veres Tomas,Smatana Jozef,Djalovic Ivica G,Milosev Dragisa S},
year={2011},
title={Temporal Dynamics of Actual Weed Infestation in the Sugar Beet Canopies},
journal={LISTY CUKROVARNICKE A REPARSKE},
volume={127},
number={3},
pages={84-86},
document_type={Article},
} 

@ARTICLE{
author={Demjanova E,Macak Milan,Tyr Stefan,Djalovic Ivica G,Zak S,Smatana Jozef},
year={2008},
title={Weed populations in maize as affected by crop rotation and primary soil tillage},
journal={JOURNAL OF PLANT DISEASES AND PROTECTION},
volume={},
number={},
pages={529-533},
document_type={Article},
}