@ARTICLE{Sobkowiak_Sylwester_The_2012, author={Sobkowiak, Sylwester and Zarzycka, Hanna and Śliwka, Jadwiga}, volume={vol. 52}, number={No 4}, journal={Journal of Plant Protection Research}, howpublished={online}, year={2012}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, title={The influence of long-term storage in liquid nitrogen on survival and pathogenicity of Phytophthora Infestans isolates}, URL={http://rhis.czasopisma.pan.pl/Content/88939/PDF/JPPR_52(4)_16_Sobkowiak.pdf}, doi={10.2478/v10045-012-0077-5}, }