@ARTICLE{Tratwal_Anna_Powdery_2010, author={Tratwal, Anna and Walczak, Felicyta}, volume={vol. 50}, number={No 3}, 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={Powdery Mildew (Blumeria Gramins) and Pest Occurrence Reduction in Spring Cereal Mixtures}, URL={http://ochroma.man.poznan.pl/Content/88223/PDF/JPPR_50(3)_27_Tratwal.pdf}, doi={10.2478/v10045-010-0068-3}, }