@ARTICLE{Budka_Anna_Clubroot_2009, author={Budka, Anna and Korbas, Marek and Jajor, Ewa}, volume={vol. 49}, number={No 4}, journal={Journal of Plant Protection Research}, howpublished={online}, year={2009}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, title={Clubroot (Plasmodiophora Brassicae) - A Threat for Oilseed Rape}, URL={http://ochroma.man.poznan.pl/Content/106226/PDF/JPPR_49(4)_19_Korbas.pdf}, doi={10.2478/v10045-009-0071-8}, }