TY - CPAPER AU - Bocheva, Lilia AU - Simeonov, Petio TI - SPATIO-TEMPORAL VARIABILITY OF HAILSTORMS FOR BULGARIA DURING THE PERIOD 1961-2010 T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ENERGY AND CLEAN TECHNOLOGIES PY - 2015 SP - 1065 EP - 1072 DO - 10.5593/sgem2015/b41/s19.137 PB - Stef92 Technology ER -