@ARTICLE{Sakr_Nachaat_A_2010, author={Sakr, Nachaat}, volume={vol. 50}, number={No 2}, journal={Journal of Plant Protection Research}, howpublished={online}, year={2010}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, title={A Plant Mixture Model Against Plasmopara Halstedii (Sunflower Downy Mildew)}, URL={http://www.czasopisma.pan.pl/Content/88089/PDF/JPPR_50(2)_01_Sakr.pdf}, doi={10.2478/v10045-010-0021-5}, }