TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/88419/PDF/JPPR_51(3)_02_Kostiw.pdf L2 - http://www.czasopisma.pan.pl/Content/88419 PY - 2011 IS - No 3 DO - 10.2478/v10045-011-0035-7 A1 - Kostiw, Michał PB - Committee of Plant Protection PAS PB - Institute of Plant Protection – National Research Institute VL - vol. 51 DA - 2011 T1 - The Occurrence of Major Potato Viruses in Poland UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/88419 T2 - Journal of Plant Protection Research ER -