KURLUS, ROBERT, ŁUKASZ MAŁARZEWSKI, and TADEUSZ NIEDŹWIEDŹ. 2013. “TEMPERATURE CHARACTERISTICS AND SPRING FROST RISK IN THE SOUR CHERRY (Prunus Cerasus L.) BLOOMING PERIOD IN 1985–2010”. Bulletin of Geography. Physical Geography Series, no. 6 (November):99-115. https://doi.org/10.2478/bgeo-2013-0006.