@ARTICLE{Feledyn-Szewczyk_Beata_The_2013,
 author={Feledyn-Szewczyk, Beata and Jończyk, Krzysztof and Berbeć, Adam},
 volume={vol. 53},
 number={No 3},
 journal={Journal of Plant Protection Research},
 howpublished={online},
 year={2013},
 publisher={Committee of Plant Protection PAS},
 publisher={Institute of Plant Protection – National Research Institute},
 title={The Morphological Features and Canopy Parameters as Factors Affecting the Competition Between Winter Wheat Varieties and Weeds},
 URL={http://www.czasopisma.pan.pl/Content/89128/PDF/JPPR_53(3)_02_Feledyn-Szewczyk.pdf},
 doi={10.2478/jppr-2013-0031},
}