TY - CPAPER AU - Todor Serafimovski TI - CALCULATION OF VARIATION AND ORE-BEARING COEFFICIENTS IN THE PLAVICA EPITHERMAL POLYMETALLIC DEPOSIT, EASTERN MACEDONIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 DO - 10.5593/sgem2015/b13/s3.016 PB - Stef92 Technology ER -