KURLUS, R. et al. 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. 6 (Nov. 2013), 99–115. DOI:https://doi.org/10.2478/bgeo-2013-0006.